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Person who controls a nuclear reactor
A reactor operator (or nuclear reactor operator) is an individual at a nuclear power plant or other nuclear reactor who is responsible for directly controlling
Reactor_operator
Nuclear reactor that killed 3 in 1961
MST, an operator fully withdrew the central control rod, a component designed to absorb neutrons in the reactor's core. This caused the reactor to go from
SL-1
The Nuclear Reactor Operator Badge is an obsolete qualification badge of the United States Army which was issued between the years of 1965 and 1990. In
Nuclear Reactor Operator Badge
Nuclear_Reactor_Operator_Badge
People involved in the nuclear accident
combination of operator error and reactor design flaws during a safety test. At 01:23 MSD (Moscow Summer Time) on April 26, 1986, an explosion at Reactor Number
Individual involvement in the Chernobyl disaster
Individual_involvement_in_the_Chernobyl_disaster
Type of nuclear reactor
A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs are the most common type of nuclear power reactor, representing almost
Pressurized_water_reactor
U.S. Navy aircraft carrier nuclear reactor
A1B reactor is more efficient, more adaptable, smaller, and lighter than the A4W design. It also has improved operator interfaces. Nuclear reactors power
A1B_reactor
Naval nuclear reactor
effect of allowing "steam demand" to control reactor power, requiring little intervention by the Reactor Operator for changes in the power demanded by the
A2W_reactor
Nuclear reactor where water boils in core
A boiling water reactor (BWR) is a type of nuclear reactor used for the generation of electrical power. It is the second most common type of electricity-generating
Boiling_water_reactor
1979 nuclear accident in Pennsylvania
loops in a pressurized water reactor. The initial cause of the accident happened 11 hours earlier, during an attempt by operators to fix a blockage in one
Three_Mile_Island_accident
workers killed in the immediate aftermath of the explosion of the plant's reactor. However, by late 1986, Soviet officials updated the official count to
Deaths due to the Chernobyl disaster
Deaths_due_to_the_Chernobyl_disaster
American nuclear engineer (born 1949)
licensed reactor operator from 1971-1972 on Rensselaer Polytechnic Institute's zero-power open-pool university research reactor at the Reactor Critical
Arnold_Gundersen
Device for controlled nuclear reactions
A nuclear reactor is a device used to sustain a controlled fission nuclear chain reaction. They are used for commercial electricity, marine propulsion
Nuclear_reactor
Type of nuclear fission reactor
various reactor types, including Generation IV, thermal-neutron reactors, fast-neutron reactors, molten salt reactor, and gas-cooled reactor models. Many
Small_modular_reactor
Class of nuclear reactors with improved safety over its predecessors
Generation III reactors, or Gen III reactors, are a class of nuclear reactors designed to succeed Generation II reactors, incorporating evolutionary improvements
Generation_III_reactor
Decommissioned nuclear reactor in Tennessee, US
The X-10 Graphite Reactor is a decommissioned nuclear reactor at Oak Ridge National Laboratory in Oak Ridge, Tennessee. Formerly known as the Clinton
X-10_Graphite_Reactor
2011 nuclear accident in Japan
the reactor pressure vessel. To avoid this, the protocol called for reactor operators to manually open and close the condenser loop using electrically operated
Fukushima_nuclear_accident
Problem in nuclear reactor start-up
of the reactor operators. The interdependence of 135Xe buildup and the neutron flux can lead to periodic power fluctuations. In large reactors, with little
Iodine_pit
Topics referred to by the same term
Self-regulatory organization Senior reactor operator, a supervisory position overseeing the work of the nuclear reactor operators Senior responsible owner, a
SRO
Investigations into the Chernobyl nuclear accident
main cause of the accident was the operators' actions, but according to INSAG-7, the main cause was the reactor's design. Both IAEA reports identified
Investigations into the Chernobyl disaster
Investigations_into_the_Chernobyl_disaster
Decommissioned nuclear power plant in Ukraine
process is expected to take until 2065 according to the plant's operator. Although the reactors have all ceased generation, Chernobyl maintains a large workforce
Chernobyl_Nuclear_Power_Plant
Designation in the United States navy
a reactor operator, shutdown reactor operator, and all intermediate watches. Upon subsequent transfer to an NPTU or another nuclear ship, operators are
Electronics technician (United States Navy)
Electronics_technician_(United_States_Navy)
American computer programmer and blogger
States Navy and attended Nuclear Power School to become a nuclear reactor operator. Yegge received a bachelor's degree in computer science from the University
Steve_Yegge
Safety systems of boiling water reactors
Boiling water reactor safety systems are nuclear safety systems constructed within boiling water reactors in order to prevent or mitigate environmental
Boiling water reactor safety systems
Boiling_water_reactor_safety_systems
Type of Soviet nuclear power reactor
reactor") is a class of graphite-moderated nuclear power reactor designed and built by the Soviet Union. It is somewhat like a boiling water reactor as
RBMK
Topics referred to by the same term
for measuring the properties of an atmosphere Reactor operator, a person who controls a nuclear reactor Reverse osmosis, a water purification process
Ro
1986 nuclear accident in the Soviet Union
cooling of the reactor during a serious accident in blackout conditions. The operators carried out the test following an accidental drop in reactor power. Upon
Chernobyl_disaster
Type of nuclear reactor that uses normal water
concept for a light-water reactor system. Along with the SECURE reactor, it relied on passive measures, not requiring operator actions or external energy
Light-water_reactor
Soviet senior nuclear engineer (1960–1986)
the reactor control panel with Akimov. Toptunov only had two months' experience in operating the reactor, and this was his first shutdown as operator. The
Leonid_Toptunov
Molten salt reactor prototype
: "liquid fuel thorium-based molten salt experimental reactor") is a 2 MWt molten salt reactor (MSR) prototype operating in northwest China.[location
TMSR-LF1
Scottish politician
the rank of Chief Petty Officer, with his final role as a Nuclear Reactor Operator within the Marine Engineering Branch. Following his naval career, Smith
David Smith (Scottish politician)
David_Smith_(Scottish_politician)
Closed power plant in Pennsylvania, US
Chris Crane. Crane, who started his career in nuclear energy as a Reactor Operator with ComEd, retired from Exelon in December 2022 and died on April
Three Mile Island Nuclear Generating Station
Three_Mile_Island_Nuclear_Generating_Station
Former U.S. Army program
(ANPP) was a program of the United States Army to develop small nuclear reactors to generate electrical and space-heating energy primarily at remote, relatively
Army_Nuclear_Power_Program
Nuclear reactor for U.S. Navy warships
engine throttles, naturally maintains reactor power without intervention from a reactor operator. The S7G reactor was never used on a ship. In the late
S7G_reactor
Proposed fuel-recycling commercial reactor
different reactor technology, as being "inherently protected without requiring emergency power, safety systems, or operator intervention". The reactor would
Aurora_nuclear_reactor
World's first continuous fast-neutron reactor
the song were that the reactor was located in a deep canyon and the reactor operators were 49'ers, as 49 (last digits of element 94, isotope 239) was one
Clementine_(nuclear_reactor)
Thorium nuclear reactor in Germany
radioactive emissions from authorities and environmental groups. The reactor operators had up to this point concealed the incident from regulatory authorities
THTR-300
Former Soviet inorganic chemist and member of the USSR Academy of Sciences (1936–1988)
Legasov noted that the operators were able to disable the reactor safety systems and stated that improvements to existing RBMK reactors were underway. I did
Valery_Legasov
Canadian heavy water nuclear reactor design
CANDU (Canada deuterium uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power. The acronym refers to its deuterium
CANDU_reactor
Proposed nuclear-powered spacecraft
Space Reactor-1 Freedom (SR-1) is a proposed NASA spacecraft intended to be the first nuclear fission-powered interplanetary mission and to demonstrate
Space_Reactor‑1_Freedom
Emergency shutdown of a nuclear reactor
other uncontrolled conditions), the operators can inject solutions containing neutron poisons directly into the reactor coolant. Neutron poison solutions
Scram
Proposed nuclear power station
partnership with Amazon, the site would house up to 12 Xe-100 small modular reactors designed by X-energy. It would be X-energy's second power plant after the
Cascade Advanced Energy Facility
Cascade_Advanced_Energy_Facility
Molten salt reactor program
TMSR (a shortened initialism of English Thorium Molten Salt Reactor Nuclear Energy System translated from Chinese: 钍基熔盐堆核能系统) is a long-term research
TMSR (Chinese reactor project)
TMSR_(Chinese_reactor_project)
of the Army, 1 February 2020, last accessed 13 April 2020 Nuclear Reactor Operator Badges, Qualification Badges, The Institute of Heraldry, last accessed
Obsolete badges of the United States military
Obsolete_badges_of_the_United_States_military
1984 book by Charles Perrow
disadvantage of any new nuclear reactor technology is that safety risks may be greater initially as reactor operators have little experience with the
Normal_Accidents
Soviet nuclear engineer in charge during the Chernobyl disaster (1931–1995)
reactor, which were unknown to the operators at the time. One major contributing factor to the accident was raising the power level after the reactor
Anatoly_Dyatlov
American adult animated television series
Márquez. Hesh Hepplewhite (voiced by MC Chris) is a lieutenant and reactor operator. Nasal-voiced, smart-mouthed, and whiny, Hesh is not well-liked by
Sealab_2021
Reactor accident due to core overheating
core melt accident, meltdown or partial core melt) is a severe nuclear reactor accident that results in core damage from overheating. The term nuclear
Nuclear_meltdown
Indian fast breeder nuclear reactor design
The Prototype Fast Breeder Reactor (PFBR) is a 500 MWe pool type sodium-cooled, fast breeder reactor commissioned at the same site as the Madras Atomic
Prototype Fast Breeder Reactor
Prototype_Fast_Breeder_Reactor
Uncontrolled nuclear fission chain reaction
controls in place to prevent any criticality are breached; Reactor accidents, which occur due to operator errors or other unintended events (e.g., during maintenance
Criticality_accident
American engineer and lobbyist
Northeast Operations for the Exelon Corporation. She has held a senior reactor operator license and she was in charge of the operation of several nuclear power
Maria_Korsnick
Cancelled nuclear power plant in Cuba
trained to be reactor operators received five months of instruction from the Russians on a simulator that did not resemble the reactor under construction
Juragua_Nuclear_Power_Plant
Nuclear reactor generating more fissile material than it consumes
A breeder reactor is a nuclear reactor that generates more fissile material than it consumes. These reactors can be fueled with more-commonly available
Breeder_reactor
Nuclear reactor where fast neutrons maintain a fission chain reaction
A fast-neutron reactor (FNR) or fast-spectrum reactor or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is
Fast-neutron_reactor
Third-generation pressurised water nuclear reactor design
In Europe, this reactor design was called European Pressurised Reactor, and the internationalised name was Evolutionary Power Reactor, but it has been
EPR_(nuclear_reactor)
Swedish politician (born 1985)
University (a branch of Linnaeus University) and worked as a power station reactor operator at the Oskarshamn Nuclear Power Plant until his election to the Riksdag
Mattias_Bäckström_Johansson
Nuclear safety systems in the USA
objectives of nuclear reactor safety systems as defined by the U.S. Nuclear Regulatory Commission are to shut down the reactor, maintain it in a shutdown
Nuclear_reactor_safety_system
American-based multinational company
with the Westinghouse company. C-E maintained a sophisticated nuclear reactor operator training simulator at the Windsor facility for support for customers
Combustion_Engineering
Nuclear power plant located in Waterford, Connecticut
hospitalization. In October 1990, operator error during a routine test caused a shutdown of unit 2. In September 1991, twenty reactor operators failed required licensing
Millstone_Nuclear_Power_Plant
Venezuelan nuclear reactor
The RV-1 nuclear reactor, now repurposed and known as Gamma rays sterilization plant ('Pegamma'; Spanish: Planta de Esterilización por Rayos Gamma), is
RV-1_nuclear_reactor
Soviet engineer (1953–1986)
put almost all the blame on the operators, later findings by the IAEA found that the reactor design and how the operators were informed of safety information
Aleksandr_Akimov
Type of nuclear reactor
reactor core shields the radiation so completely that operators may work above the reactor safely. This design has two major advantages: the reactor is
Swimming_pool_reactor
Nuclear power in Canada is provided by 17 commercial reactors with a net capacity of 12.7 gigawatt (GW), producing a total of 84.6 terawatt-hours (TWh)
Nuclear_power_in_Canada
Closed nuclear power plant in Japan
Monju (もんじゅ) was a Japanese sodium-cooled fast reactor, located near the Tsuruga Nuclear Power Plant, Fukui Prefecture. Its name is a reference to Manjusri
Monju_Nuclear_Power_Plant
Nuclear power plant located in Iowa
Arnold Energy Center (DAEC), with a single unit boiling water nuclear reactor, was Iowa's only nuclear power plant. It is located on a 500-acre (200 ha)
Duane_Arnold_Energy_Center
Nuclear power plant
2009 the containment structure of the new Kalinin Unit 4 reactor was nearly complete. The reactor achieved its first criticality on 8 November 2011. The
Kalinin_Nuclear_Power_Plant
Nuclear energy extracted from thorium isotopes
estimated the reactor could function without an operator for 120 days. Validation of its core reactor physics was underway by late 2017. According to
Thorium-based_nuclear_power
Iranian Nuclear Engineer
practical experience, serving as a reactor operator and shift supervisor at the university's 2-MW Ford Nuclear Reactor. Upon completing his degree, Sarram
Mehdi_Sarram
Nuclear power plant in California, US
California. The reactor operated from 1957 to 1964. On July 12, 1957 the Sodium Reactor Experiment became the first nuclear reactor in California to
Sodium_Reactor_Experiment
French nuclear reactor design company
investment by utility operator EDF. While originally a licensing and construction business, today Framatome supplies the entire reactor life-cycle, including
Framatome
Nuclear power plant in Belleville-sur-Loire, France
approximately 620 people and consists of two large 1,300 MW P4 nuclear reactors. Its cooling water comes from the Loire River. The site spans 170 hectares
Belleville Nuclear Power Plant
Belleville_Nuclear_Power_Plant
Robust nuclear reactor monitoring device
nuclear fission reactors. It is a compact device extensively used worldwide for mapping of neutron flux, helping the reactor-operators in maintaining the
Self_Powered_Neutron_Detector
Nuclear power plant in Japan
plant's gymnasium, as the reactor complex was the only safe area in the vicinity to evacuate to, with the reactor operators supplying food and blankets
Onagawa_Nuclear_Power_Plant
Severe events involving radioactive materials
release to the environment, or a reactor core melt. The prime example of a "major nuclear accident" is one in which a reactor core is damaged and significant
Nuclear and radiation accidents and incidents
Nuclear_and_radiation_accidents_and_incidents
Defunct nuclear research reactor in Quezon City, Philippines
The Philippine Research Reactor-1 (PRR-1) is a research reactor that is owned and maintained by the Philippine Nuclear Research Institute (PNRI) in Quezon
Philippine_Research_Reactor-1
Nuclear reactor design
The advanced boiling water reactor (ABWR) is a Generation III boiling water reactor. The ABWR is currently offered by GE Vernova Hitachi Nuclear Energy
Advanced boiling water reactor
Advanced_boiling_water_reactor
American pressurized water cooling nuclear reactor design
sold by Westinghouse Electric Company. The plant is a pressurized water reactor with improved use of passive nuclear safety and many design features intended
AP1000
Nuclear power plant in Sosnovy Bor, Leningrad Oblast, Russia
separate reactor building but the turbine hall is shared between 2 reactors. In 2008, construction started on Leningrad II with 2 VVER-1200 type reactors. They
Leningrad_Nuclear_Power_Plant
Propulsion system for marine vessels utilizing a nuclear powerplant
propulsion is propulsion of a ship or submarine with heat provided by a nuclear reactor. The power plant heats water to produce steam for a turbine used to turn
Nuclear_marine_propulsion
Japanese actor (born 1941)
Teinosuke Ohan (1984) – Ohan's husband The Return of Godzilla (1984) – A reactor operator The Burmese Harp (1985) – Inoue Bakumatsu Seishun Graffiti: Ronin Sakamoto
Kōji_Ishizaka
fission-based nuclear research reactors in the world, sorted by country, with operational status. Some "research" reactors were built for the purpose of
List of nuclear research reactors
List_of_nuclear_research_reactors
Nuclear power plant in France
made to the operator to improve the security of the control room. France portal Energy portal Nuclear technology portal List of nuclear reactors - France
Saint-Alban Nuclear Power Plant
Saint-Alban_Nuclear_Power_Plant
Decommissioned nuclear power plant in Lake County, Illinois
February 21, 1997, after a control-room operator inserted the control rods too far during a shut down of Reactor 1 and then withdrew the control rods without
Zion_Nuclear_Power_Station
Small modular nuclear reactor design
reactor proposed by GE Vernova Hitachi Nuclear Energy (GVH). The BWRX-300 would feature passive safety, in that neither external power nor operator action
BWRX-300
Type of British nuclear reactor
was Reactor 1 in Wylfa (on Anglesey) in 2015. As of 2016[update], North Korea remains the only operator to continue using magnox style reactors, at the
Magnox
and used for performing neutron activation work and training reactor operators. The reactor used highly enriched uranium metal fuel clad in aluminium. The
Universities_Research_Reactor
Nuclear power plant in Tsuruga, Fukui Prefecture, Japan
Retrieved 19 August 2021. Blair, Gavin (20 August 2021). "Nuclear reactor's operator hid fault line danger". The Times. London. Retrieved 20 August 2021
Tsuruga_Nuclear_Power_Plant
Prototype naval reactor
engineering spaces and the electrical operator operated out in the engineering spaces unlike S5W or later submarines. "DOE Reactor Site Returns To Green Field Conditions
S1C_reactor
Retired research nuclear reactor
Buddha nuclear test. On 12 December 1952, the NRX reactor suffered a partial meltdown due to operator error and mechanical problems in the shut-off systems
NRX
Nuclear power plant in DeWitt County, Illinois
second reactor were shelved. Exelon, the former owner and operator of the present reactor, announced plans to permanently close the power station in
Clinton_Power_Station
Nuclear Reactor and Power Plant Accidents that have occurred in the past years
equipment failures and operator error contributed to loss of coolant and a partial core meltdown of Unit 2's pressurized water reactor at the Three Mile Island
Nuclear reactor accidents in the United States
Nuclear_reactor_accidents_in_the_United_States
Location of two former nuclear research establishments in northern Scotland
development of civil fast breeder reactors, and the Vulcan Naval Reactor Test Establishment (NRTE), a military submarine reactor testing facility. Both have
Dounreay
US nuclear ramjet project, 1957–1964
operator training. The facilities checkout ended on 5 March 1964, by which time 82 tests had been carried out. Before attempting a high power reactor
Project_Pluto
Fast-neutron nuclear reactor cooled by molten lead
cooling. No operator intervention is required, nor pumping of any kind to cool the residual heat of the reactor after shutdown. The reactor outlet coolant
Lead-cooled_fast_reactor
1957 nuclear accident in England
Hughes, second in command to the Reactor Manager, suggested examining the reactor personally and so he and another operator, both clad in protective gear
Windscale_fire
United States atomic electricity plant (1957–1982)
seed-and-blanket design; in the first reactor about half the power came from the seed. The first Shippingport core reactor turned out to be capable of an output
Shippingport Atomic Power Station
Shippingport_Atomic_Power_Station
One of the reactors involved in the Fukushima nuclear accident
The Fukushima Daiichi (Unit 1) reactor, was 1 out of 4 reactors seriously affected during the Fukushima Daiichi nuclear disaster (福島第一原子力発電所事故, Fukushima
Fukushima nuclear accident (Unit 1 Reactor)
Fukushima_nuclear_accident_(Unit_1_Reactor)
Chernobyl Power Plant protective housing
structure put in place in 2016 to confine the remains of the number 4 reactor unit at the Chernobyl Nuclear Power Plant, in Ukraine, which was destroyed
Chernobyl New Safe Confinement
Chernobyl_New_Safe_Confinement
Nuclear power plant component
A reactor pressure vessel (RPV) in a nuclear power plant is the pressure vessel containing the nuclear reactor coolant, core shroud, and the reactor core
Reactor_pressure_vessel
Private research university in Cambridge, Massachusetts, United States
be trained as reactor operators, and the facility was historically used for experimental cancer treatment. The siting of the reactor's containment building
Massachusetts Institute of Technology
Massachusetts_Institute_of_Technology
Electricity generation by nuclear fusion
energy. Devices that use this process are known as fusion reactors. Research on fusion reactors began in the 1940s. As of 2025, the National Ignition Facility
Fusion_power
REACTOR OPERATOR
REACTOR OPERATOR
Boy/Male
Tamil
Creator
Girl/Female
Tamil
Rachiyata | ரசியதா
Creator
Rachiyata | ரசியதா
Girl/Female
Hindu
Creator
Boy/Male
Indian
Creator
Boy/Male
Arthurian Legend
Father of Arthur.
Boy/Male
Muslim
Creator
Male
English
 Anglicized form of Scottish Gaelic Eachann, HECTOR means "brown horse." Compare with another form of Hector.
Boy/Male
American, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Greek, Italian, Latin, Portuguese, Shakespearean, Spanish
Steadfast; Anchor; Holds Fast; Star; Coined from Esther Vanhomrigh; Tenacious; Defend; Hold Fast; Coined from Esther Vanho
Girl/Female
Gujarati, Hindu, Indian, Kannada, Sanskrit
Creator
Boy/Male
Tamil
Creator
Surname or Lastname
Scottish
Scottish : Anglicized form of the Gaelic personal name Eachann (earlier Eachdonn, already confused with Norse Haakon), composed of the elements each ‘horse’ + donn ‘brown’.English : found in Yorkshire and Scotland, where it may derive directly from the medieval personal name. According to medieval legend, Britain derived its name from being founded by Brutus, a Trojan exile, and Hector was occasionally chosen as a personal name, as it was the name of the Trojan king’s eldest son. The classical Greek name, HektÅr, is probably an agent derivative of Greek ekhein ‘to hold back’, ‘hold in check’, hence ‘protector of the city’.German, French, and Dutch : from the personal name (see 2 above). In medieval Germany, this was a fairly popular personal name among the nobility, derived from classical literature. It is a comparatively rare surname in France.
Boy/Male
Christian & English(British/American/Australian)
Steadfast
Male
Arthurian
, defender.
Boy/Male
Spanish American Shakespearean Greek Latin
Tenacious.
Male
Arthurian
, sir Hector de Maris; (defender).
Boy/Male
Arabic, Muslim
Creator
Boy/Male
Muslim
Creator
Girl/Female
Hindu, Indian, Malayalam, Marathi, Tamil
Creator
Boy/Male
Latin
Son of Azeus.
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Rajasthani, Sanskrit, Sindhi, Tamil, Telugu
Creator
REACTOR OPERATOR
REACTOR OPERATOR
Male
English
Short form of English Norman, NORM means "northman."
Girl/Female
Tamil
Sivamathy | ஸீவமாஂதà¯à®¯Â
Knowledge, Moon
Boy/Male
Arabic, Muslim
Favour of Allah
Boy/Male
Biblical
Son of the Lord.
Boy/Male
Tamil
King of serpents
Boy/Male
American, British, English
From the King's Hall
Girl/Female
Greek English Latin
Moon goddess.
Boy/Male
Hindu
Bear
Surname or Lastname
English
English : variant of Meggison, with intrusive -n-.
Boy/Male
British, English
Virtuous; Agreeable
REACTOR OPERATOR
REACTOR OPERATOR
REACTOR OPERATOR
REACTOR OPERATOR
REACTOR OPERATOR
n.
The superior officer or chief of a convent or religious house; and among the Jesuits the superior of a house that is a seminary or college.
n.
The province of a rector; a parish church, parsonage, or spiritual living, with all its rights, tithes, and glebes.
v. i.
To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.
a.
Having power to react; tending to reaction; of the nature of reaction.
n.
The wife of a rector.
a.
Pertaining to a rector or a rectory; rectoral.
v. t.
To act or perform a second time; to do over again; as, to react a play; the same scenes were reacted at Rome.
pl.
of Rectory
n.
The mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame.
n.
See Redactor.
n.
One who transacts business for another; an agent; a substitute; especially, a mercantile agent who buys and sells goods and transacts business for others in commission; a commission merchant or consignee. He may be a home factor or a foreign factor. He may buy and sell in his own name, and he is intrusted with the possession and control of the goods; and in these respects he differs from a broker.
n.
A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.
n.
An exactor.
n.
A rector of a German university.
n.
The chief elective officer of some universities, as in France and Scotland; sometimes, the head of a college; as, the Rector of Exeter College, or of Lincoln College, at Oxford.
n.
Same as Radius vector.
a.
Pertaining to a rector or governor.
n.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
n.
One who redacts; one who prepares matter for publication; an editor.