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Fast-neutron nuclear reactor cooled by molten lead
The lead-cooled fast reactor is a nuclear reactor design that uses molten lead or lead-bismuth eutectic as its coolant. These materials can be used as
Lead-cooled_fast_reactor
Nuclear reactor where the coolant is liquid metal
liquid metal cooled nuclear reactor (LMR) is a type of nuclear reactor where the primary coolant is a liquid metal. Liquid metal cooled reactors were first
Liquid_metal_cooled_reactor
Type of nuclear reactor cooled by molten sodium
A sodium-cooled fast reactor (SFR) is a fast neutron reactor cooled by liquid sodium. It offers several advantages over light-water reactors (LWRs), including
Sodium-cooled_fast_reactor
Nuclear reactor where fast neutrons maintain a fission chain reaction
amplifier Fast breeder reactor Gas-cooled fast reactor Generation IV reactor Lead-cooled fast reactor Nuclear fuel cycle Sodium-cooled fast reactor Thermal-neutron
Fast-neutron_reactor
Lead-cooled reactor family designed in Russia
Svintsovym Teplonositelem, 'Naturally Safe Lead-Cooled Fast Reactor') is a generation IV lead-cooled fast nuclear reactor. BREST-300 model is under construction
BREST_(reactor)
New nuclear reactor technologies under development
were: the gas-cooled fast reactor (GFR), the lead-cooled fast reactor (LFR), the molten salt reactor (MSR), the sodium-cooled fast reactor (SFR), the
Generation_IV_reactor
Nuclear energy company
is a European nuclear energy company developing small modular lead-cooled fast reactors using mixed oxide fuel (MOX). Headquartered in Paris and founded
Newcleo
Nuclear reactor generating more fissile material than it consumes
lead-bismuth eutectic as its coolant. Three of the proposed generation IV reactor types use a fast-neutron spectrum: Gas-cooled fast reactor cooled by
Breeder_reactor
Planned lead-cooled reactor demonstrator
ALFRED (Advanced Lead-cooled Fast Reactor European Demonstrator) is a planned lead-cooled fast reactor. Designed by Ansaldo Energia from Italy, it represents
ALFRED_(nuclear_reactor)
Nuclear reactor design
The IFR was a sodium-cooled fast reactor (SFR) is its closest surviving fast breeder reactor, a type of Generation IV reactor. The U.S. Department of
Integral_fast_reactor
Alloy of lead and bismuth used as a coolant in nuclear reactors
coolant for the lead-cooled fast reactor, part of the Generation IV reactor initiative. It has a melting point of 123.5 °C/254.3 °F (pure lead melts at 327 °C/621 °F
Lead-bismuth_eutectic
Fast breeder nuclear reactor under development in Russia
The BN-1200 reactor is a sodium-cooled fast breeder reactor project, under development by OKBM Afrikantov at Beloyarsk Nuclear Power Station in Zarechny
BN-1200_reactor
Type of nuclear reactor cooled by a gas
The gas-cooled fast reactor (GFR) system is a nuclear reactor design in development. Classed as a Generation IV reactor, it features a fast-neutron spectrum
Gas-cooled_fast_reactor
Device for controlled nuclear reactions
(NaK), lead, lead-bismuth eutectic, and in early reactors, mercury. Sodium-cooled fast reactor Lead-cooled fast reactor Gas-cooled reactors are cooled by
Nuclear_reactor
Design project of a nuclear reactor coupled to a proton accelerator
makes it an accelerator-driven system (ADS). MYRRHA will be a lead-bismuth cooled fast reactor with two possible configurations: sub-critical or critical
MYRRHA
Russian fast breeder nuclear reactor, operating since 2016
The BN-800 reactor (Russian: реактор БН–800) is a sodium-cooled fast breeder reactor, built at the Beloyarsk Nuclear Power Station, in Zarechny, Sverdlovsk
BN-800_reactor
Breeder reactor in Tamil Nadu, India
/ 12.5623504; 80.1645415 The Fast Breeder Test Reactor (FBTR) is a 40 MWt loop type, sodium cooled fast breeder reactor located at Kalpakkam, Tamil Nadu
Fast_Breeder_Test_Reactor
Russian fast neutron research reactor
research sodium-cooled fast reactor designed to test nuclear fuels, structural materials and coolants, as well as scientific experiments under fast neutron irradiation
BOR-60
Type of nuclear reactor, CO2 or He cooled
types of reactor cooled by gas, the terms GCR and to a lesser extent gas cooled reactor are particularly used to refer to this type of reactor. The GCR
Gas-cooled_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
Russian sodium-cooled fast breeder reactor
The BN-600 reactor is a sodium-cooled fast breeder reactor, built at the Beloyarsk Nuclear Power Station, in Zarechny, Sverdlovsk Oblast, Russia. It has
BN-600_reactor
Type of nuclear reactor cooled by molten salt
tube reactors like the heavy water CANDU or the Atucha-class PHWRs, light water cooled graphite moderated RBMK, and British-built gas-cooled reactors such
Molten-salt_reactor
Type of Soviet nuclear power reactor
graphite-moderated reactors. A graphite-moderated Magnox reactor exists in North Korea at the Yongbyon Nuclear Scientific Research Center. While the gas cooled Magnox
RBMK
Fast neutron research reactor
reactor BN-800 reactor – generation IV sodium-cooled fast breeder reactor, operational since 2016 BREST-300 – generation IV lead-cooled fast reactor,
MBIR
German nuclear reactor design proposal with liquid metal cooling loops
conceptual predecessor of the Dual Fluid Reactor was the UK 1970s lead-cooled fast spectrum molten salt reactor (MSFR), which dissolved the fissile fuel
Dual_fluid_reactor
Russian nuclear fission reactor for use in submarines
reactor Project 705 Lira Alfa class Archived 2007-04-06 at the Wayback Machine at the Federation of American Scientists website. Lead-bismuth cooled reactor
BM-40A_reactor
Reactor accident due to core overheating
depressurized so that the emergency core cooling system may be turned on). In a depressurization fault, a gas-cooled reactor loses gas pressure within the core
Nuclear_meltdown
Concept nuclear reactor whose water operates at supercritical pressure
liquid metal cooled reactors). A fast SCWR could be a breeder reactor, like the proposed Clean and Environmentally Safe Advanced Reactor and could burn
Supercritical_water_reactor
Type of nuclear reactor that operates at high temperatures as part of normal operation
high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output
High-temperature gas-cooled reactor
High-temperature_gas-cooled_reactor
World's first continuous fast-neutron reactor
world's first continuous fast-neutron reactor, also known as the Los Alamos fast plutonium reactor. It was an experimental-scale reactor. The maximum output
Clementine_(nuclear_reactor)
Nuclear reactor design
of the Integral Fast Reactor developed by Argonne National Laboratory between 1984 and 1994. It is a sodium-cooled fast breeder reactor, based on the Experimental
PRISM_(reactor)
deuterium in the thermal spectrum), making it of interest for lead-cooled fast reactors. In 2025 a published study suggested that the nucleus of 208Pb
Isotopes_of_lead
Topics referred to by the same term
(software), an application launcher for macOS ALFRED (nuclear reactor), lead-cooled fast reactor demonstrator Allele Frequency Net Database (AlFreD), an electronic
Alfred
Substance used to reduce or regulate the temperature of a system
metal used as a coolant is lead, in e.g. lead cooled fast reactors, or a lead-bismuth alloy. Some early fast neutron reactors used mercury. For certain
Coolant
Chemical element with atomic number 82 (Pb)
lead has been used as a coolant for lead-cooled fast reactors. The largest use of lead in the early 21st century is in lead–acid batteries. The lead in
Lead
Nuclear reactor where water boils in core
fluid back into liquid form before it is sent back into the reactor. The condenser is then cooled by a secondary coolant cycle which is fed by the power plant's
Boiling_water_reactor
sodium cooled, fast-flux, pool-type reactor with metallic fuel based on the 30-year successful operation of the Experimental Breeder Reactor II in Idaho
List of small modular reactor designs
List_of_small_modular_reactor_designs
Type of nuclear reactor that uses molten material as fuel
high-temperature reactors) and still have a solid fuel. Molten salt reactors, as a class, include both burners and breeders in fast or thermal spectra
Liquid fluoride thorium reactor
Liquid_fluoride_thorium_reactor
Component of nuclear fission or fusion reactors
concepts are the Dual-cooled lithium lead (DCLL) Helium-cooled lithium lead (HCLL) Helium-cooled pebble bed (HCPB) Water-cooled lithium lead (WCLL) Light water
Breeding_blanket
Nuclear reactor cooled or moderated by an organic liquid
An Organic nuclear reactor or Organic-cooled reactor (OCR) is a class of nuclear reactor in which the primary coolant or neutron moderator is an organic
Organic_nuclear_reactor
Small nuclear fission reactor for naval propulsion cooled by a liquid metal
part of the Soviet Navy's Project 645 Кит-ЖМТ. It is a liquid metal cooled reactor (LMR), using highly enriched uranium-235 fuel to produce 73 MW of power
VT-1_reactor
Type of British nuclear reactor
gas-cooled reactor (AGR) is a type of nuclear reactor designed and operated by the United Kingdom. These are the second generation of British gas-cooled reactors
Advanced_gas-cooled_reactor
Type of very-high-temperature reactor
Pebble-bed reactors are typically high temperature gas-cooled reactors (HTGRs), and are capable of being refueled during operation. The helium-cooled PBR design
Pebble-bed_reactor
Type of nuclear reactor
heavy‑water reactors and gas‑cooled reactors respectively) while others, including Japan and India, operate a mix of PWRs and other reactor types (notably
Pressurized_water_reactor
Material in core during nuclear meltdown
temperature, without reactor vessel failure. If the vessel is sufficiently cooled, a crust between the corium melt and the reactor wall can form. The layer
Corium_(nuclear_reactor)
Coolant in a nuclear reactor
avoid, neutron moderation. Most have been liquid metal cooled reactors using molten sodium. Lead, lead-bismuth eutectic, and other metals have also been proposed
Nuclear_reactor_coolant
Nuclear fission reactor
NATO designation) fourth generation submarines. It is a liquid metal cooled reactor (LMR), using highly enriched uranium-235 fuel to produce 155 MWt of
OK-550_reactor
Type of nuclear reactor that uses normal water
liquid-metal cooled reactors in production vessels, specifically the Alfa class submarine, which used lead-bismuth eutectic as a reactor moderator and
Light-water_reactor
Naturally occurring uranium self-sustaining nuclear chain reactions
by fast-neutron-induced (n,2n) reactions in nuclear reactors. In Oklo, any possible deviation of 234 U concentration present at the time the reactor was
Natural nuclear fission reactor
Natural_nuclear_fission_reactor
Topics referred to by the same term
LCFR may refer to: Lead-cooled fast reactor, a type of fast neutron reactor Liberty City Free Radio, a radio station in the video game Grand Theft Auto:
LCFR
Type of nuclear reactor
Graphite Gaz) is an obsolete nuclear power reactor design developed in France. It was graphite moderated, cooled by carbon dioxide, and fueled with natural
UNGG_reactor
The BN-reactor is a type of sodium-cooled fast breeder reactor built in Russia from the company OKBM Afrikantov. Two BN-reactors are to date (2015) the
BN-Reactor
1986 nuclear accident in the Soviet Union
reactor that would make room for a cooling system. The final makeshift design for the cooling system incorporated a coiled formation of pipes cooled with
Chernobyl_disaster
Former research reactor in Arkansas, US
The Southwest Experimental Fast Oxide Reactor (SEFOR) was an experimental sodium-cooled fast reactor located in Cove Creek Township, Washington County
SEFOR
Proposed nuclear reactor currently undergoing development in the U.S.
Small, sealed, transportable, autonomous reactor (SSTAR) was a proposed lead-cooled nuclear reactor primarily researched and developed in the United States
Small, sealed, transportable, autonomous reactor
Small,_sealed,_transportable,_autonomous_reactor
Nuclear energy extracted from thorium isotopes
several other commercial reactors have been fueled using thorium, including light-water reactors and high-temperature gas-cooled reactors. The feasibility of
Thorium-based_nuclear_power
Type of nuclear reactor
reactors have been used in commercial electricity generation: Gas-cooled reactors Magnox UNGG reactor Advanced gas-cooled reactor (AGR) Water-cooled reactors
Graphite-moderated_reactor
Nuclear power plant component
cooled thermal reactor - Includes the Advanced Gas-cooled Reactor, the gas cooled fast breeder reactor, and the high temperature gas cooled reactor.
Reactor_pressure_vessel
Chinese small modular nuclear reactor
a Chinese small modular nuclear reactor. It is a high-temperature gas-cooled (HTGR) pebble-bed generation IV reactor evolved from the HTR-10 prototype
HTR-PM
Topics referred to by the same term
LFR can refer to: Lead-cooled fast reactor, a type of nuclear reactor LFR International, emergency medical service in Africa Lay First Responder Model
LFR
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
Nuclear power system
designed to run on natural uranium but the subsequent Advanced Gas-cooled Reactor (AGR) abandoned this for a variety of reasons, using low-enriched uranium
Steam-Generating Heavy Water Reactor
Steam-Generating_Heavy_Water_Reactor
semiconductor devices GUINEVERE – fast, accelerator driven, lead-cooled reactor at SCK•CEN, Mol Paldiski – 2 PWR naval training reactors (dismantled) Working: Azur
List of nuclear research reactors
List_of_nuclear_research_reactors
Part of a reactor containing the fuel
Soviet-made RBMK nuclear-power reactor. This was the type of reactor involved in the Chernobyl disaster. In the Advanced Gas-cooled Reactor, a British design, the
Nuclear_reactor_core
Feasibility experiment for aircraft nuclear propulsion
that enabled the broader development of molten-salt reactors as well as liquid metal cooled reactors. The concept of nuclear-powered aircraft was first
Aircraft_Reactor_Experiment
Type of nuclear reactor
Aqueous homogeneous reactors (AHR) is a two-chamber reactor consisting of an interior reactor chamber and an outside cooling and moderating jacket chamber
Aqueous_homogeneous_reactor
Russian engineer of Czech origin
and the Alfa class, laying the definitive groundwork for modern lead-cooled fast reactor designs. Only later did his firm expand into pressurized water
Nikolay_Dollezhal
Nuclear reactor in Fujian province, China
The CFR-600 (Xiapu fast reactor pilot project) is a sodium-cooled pool-type fast-neutron nuclear reactor in Xiapu County, Fujian province, China, on Changbiao
CFR-600
Change in nuclear fission rate caused by voids in a reactor
the reactor is over-moderated). Reactors in which neither the moderator nor the coolant is a liquid (e.g., a graphite-moderated, gas-cooled reactor) will
Void_coefficient
Chemical element with atomic number 50 (Sn)
Lengths and cross sections. "Westinghouse Nuclear > Energy Systems > Lead-cooled Fast Reactor". Walker, Phil (1994). "Doubly Magic Discovery of Tin-100". Physics
Tin
Overview of and topical guide to nuclear technology
reactor Fast breeder reactor Fast neutron reactor Gas-cooled fast reactor Generation IV reactor Integral Fast Reactor Lead-cooled fast reactor Liquid-metal-cooled
Outline_of_nuclear_technology
Type of nuclear reactor cooled by heat pipes
A heat pipe-cooled reactor (HPR) is a type of nuclear reactor cooled by heat pipes. Using passive heat pipes instead of a pumped nuclear coolant eliminates
Heat_pipe-cooled_reactor
Type of nuclear reactor design
neutron poison. Using lead as a coolant has similar disadvantages to those described in the article on lead cooled fast reactors Many of the current spallation-based
Accelerator-driven subcritical reactor
Accelerator-driven_subcritical_reactor
First industrial-scale reactor in the Soviet Union
second nuclear reactor to go critical in the Soviet Union, and the first geographically situated in Asia. It was designed as a light water-cooled, graphite-moderated
A-1_(nuclear_reactor)
Nuclear fission reactor
The OK-650 reactor is the nuclear fission reactor used for powering the Soviet Navy's Project 685 Плавник/Plavnik (Mike), Project 971 Щука-Б/Shchuka-B
OK-650_reactor
Nuclear research reactor
The Maria reactor is Poland's second nuclear research reactor, commissioned in December 1974, and the only one still in use as of 2026[update]. The first
Maria_reactor
November 2009, Hyperion Power Generation decided to use a different lead-cooled fast reactor design for its power module, based on uranium nitride, citing the
Hydrogen-moderated self-regulating nuclear power module
Hydrogen-moderated_self-regulating_nuclear_power_module
commercial nuclear reactors in the world, sorted by country, with operational status. The list only includes civilian nuclear power reactors used to generate
List of commercial nuclear reactors
List_of_commercial_nuclear_reactors
India's premier nuclear research centre
The Fast Breeder Test Reactor (FBTR) is IGCAR's flagship facility and a cornerstone of India's fast reactor programme. It is a sodium-cooled fast breeder
Indira Gandhi Centre for Atomic Research
Indira_Gandhi_Centre_for_Atomic_Research
Indian nuclear reactor design
plutonium for use with thorium. The AHWR is a pressure-tube reactor moderated by heavy water and cooled by boiling light water. Its core consists of a calandria
Advanced_heavy-water_reactor
Swedish reactor physicist (born 1968)
In 2013, he co-founded the company Blykalla ("Lead Cold") which designs small lead-cooled fast reactors called SEALER intended for commercial power production
Janne_Wallenius
space-limited submarine. The Soviet Navy attempted to use a very advanced lead cooled fast reactor on Project 705 "Lira" (NATO Alfa class) beginning in the 1970s
History_of_submarines
Nuclear reactor design
water levels inside the reactor, keeping the nuclear fuel submerged in water and adequately cooled. In events where the reactor coolant pressure boundary
Economic Simplified Boiling Water Reactor
Economic_Simplified_Boiling_Water_Reactor
Nuclear-powered attack submarine class
hull, it used a powerful lead-bismuth liquid metal cooled reactor as a power source, which greatly reduced the size of the reactor compared to conventional
Alfa-class_submarine
US/Russian design concept ~1997 - never built
a gas-cooled fast reactor, enabling it to reduce nuclear waste considerably by transmutation. Gas-cooled fast reactor Pebble bed reactor Very high temperature
Gas turbine modular helium reactor
Gas_turbine_modular_helium_reactor
Decommissioned nuclear reactor experiment in Idaho
Organic Moderated Reactor Experiment (OMRE) was a 16 MWt experimental organic nuclear reactor that operated at the National Reactor Testing Station from
Organic Moderated Reactor Experiment
Organic_Moderated_Reactor_Experiment
US company, 2012 to 2018
Generation IV reactor design: a uranium nitride fueled, lead-bismuth cooled reactor. They believed that using a liquid-metal-cooled fast reactor would speed
Gen4_Energy
Research reactor planned for operation by 2028 in France
The Jules Horowitz Reactor (Réacteur Jules Horowitz, RJH) is a materials testing reactor (MTR) cooled and moderated with water. It is under construction
Jules_Horowitz_Reactor
Substance that slows down particles with no electric charge
water-cooled supercritical water reactor, the proportion of fast fissions may exceed 50%, making it technically a fast-neutron reactor. A fast reactor uses
Neutron_moderator
Device that achieves nuclear fission without triggering a chain reaction
reactor core contains liquid metal which is impacted by the beam, thus releasing neutrons and is cooled by circulating the liquid metal such as lead-bismuth
Subcritical_reactor
LWGRs. Reactors used for plutonium production in the nuclear weapons programs of the United Kingdom, France, and North Korea used gas-cooled reactors (GCRs)
Light_water_graphite_reactor
Propulsion system for marine vessels utilizing a nuclear powerplant
nuclear reactors are of the pressurized water type, with the exception of a few[quantify] attempts[by whom?] at using liquid sodium-cooled reactors. A primary
Nuclear_marine_propulsion
Retired Canadian nuclear research reactor
Originally known as Organic-Cooled Deuterium-Reactor Experiment (OCDRE), it was built to test the concept of a CANDU-type reactor that replaced the heavy
WR-1
Safety systems of boiling water reactors
water to steam will lead to increased neutron moderation, which in turn will cause an increase in the power output of the reactor. This type of event
Boiling water reactor safety systems
Boiling_water_reactor_safety_systems
U.S. project 1946–1961
nuclear reactor core would heat up pressurized water or liquid metal and send it to the heat exchanger as well. That hot liquid would be cooled by the
Aircraft_Nuclear_Propulsion
Nuclear reactor that killed 3 in 1961
Low-Power Reactor Number One, also known as SL-1, initially the Argonne Low Power Reactor (ALPR), was a United States Army experimental nuclear reactor at the
SL-1
Type of British nuclear reactor
gas-cooled reactors. The name comes from the magnesium-aluminium alloy (called magnesium non-oxidising), used to clad the fuel rods inside the reactor. Like
Magnox
sodium cooled fast reactor in Russia, began commercial electricity generation, while plans for a BN-1200 were initially conceived the future of the fast reactor
History_of_nuclear_power
Idaho National Laboratory research neutron source
The Advanced Test Reactor (ATR) is a research reactor at the Idaho National Laboratory, located east of Arco, Idaho. This reactor was designed and is
Advanced_Test_Reactor
International nuclear fusion research and engineering megaproject
breeder blanket include helium-cooled lithium lead (HCLL), helium-cooled pebble bed (HCPB), and water-cooled lithium lead (WCLL) methods. Six different
ITER
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LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
Surname or Lastname
English (chiefly Devon)
English (chiefly Devon) : nickname for a thin or lean person, from Middle English lene ‘lean’ (Old English hlǣne).Irish : reduced Anglicized form of Gaelic Ó Liatháin (see Lehane).Reduced form of Scottish McLean.
Female
English
(Λήδα) Greek name LEDA means "woman." In mythology, this is the name of the mother of Castor, Pollux and Helen.
Male
Hebrew
(×ֶלְעַד) Contracted form of Hebrew El'adah, ELAD means "whom God puts on."
Female
English
 Variant spelling of Old English Lea, LEAH means "meadow." Compare with other forms of Leah.
Female
English
 Old English name LEA means "meadow." Compare with another form of Lea.
Surname or Lastname
English
English : topographic name for someone who lived near a loud, rushing stream, Old English hl̄de, or a habitational name from Lead in West Yorkshire, which is named from Old English lǣd ‘water course’ or Old English hlēda ‘ledge’.
Boy/Male
Arabic, Muslim, Pashtun
Gul - Flowers; Mast - Excitement
Male
English
English surname transferred to forename use, derived from an Old English byname, Red, READ means "red-headed or ruddy-complexioned."Â
Surname or Lastname
English (chiefly Kent)
English (chiefly Kent) : from Middle English heved ‘head’, applied as a nickname for someone with some peculiarity or disproportion of the head, or a topographic name for someone who lived on a hill or at the head of a stream or valley. This surname has long been established in Ireland.
Surname or Lastname
English (East Anglia)
English (East Anglia) : metonymic occupational name for a cobbler, or perhaps a metonymic occupational name for a maker of cobblers’ lasts (see Laster).German and Jewish (Ashkenazic) : metonymic occupational name for a porter, from Middle High German last; German Last or Yiddish last ‘burden’, ‘load’.Dutch : metonymic occupational name as in 2, from Middle Dutch last ‘load’, ‘burden’; or a nickname for an awkward character, from Dutch last ‘trouble’, ‘nuisance’.French : habitational name from a place so named in Puy-de-Dôme.
Boy/Male
Irish
Hound of Ulster.
Female
Egyptian
, Child of Bast.
Boy/Male
German, Swedish
Bluish; Lead Colored
Surname or Lastname
English (mainly Yorkshire)
English (mainly Yorkshire) : variant of Hooley.
Surname or Lastname
English
English : topographic name for someone who lived in the eastern part of a town or settlement, or outside it to the east, or a regional name for someone who had migrated from the east of a place. As an American family name, this surname has absorbed various other European names with similar meaning.
Male
English
Anglicized form of Irish Gaelic Conláed, CONLEY means "purifying fire."
Female
Hebrew
(לֵ×ָה) Hebrew name LEAH means "weary." In the bible, this is the name of Jacob's first wife. Compare with other forms of Leah.
Female
Hebrew
 Variant spelling of Hebrew Leah, LEA means "weary." Compare with another form of Lea.
Surname or Lastname
English
English : nickname for a person with red hair or a ruddy complexion, from Middle English re(a)d ‘red’.English : topographic name for someone who lived in a clearing, from an unattested Old English rīed, r̄d ‘woodland clearing’.English : Read in Lancashire, the name of which is a contracted form of Old English rǣghēafod, from rǣge ‘female roe deer’, ‘she-goat’ + hēafod ‘head(land)’; Rede in Suffolk, so called from Old English hrēod ‘reeds’; or Reed in Hertfordshire, so called from an Old English ryhð ‘brushwood’.English : A family called Read were established in America in the early 18th century by John Read, who was born in Dublin, sixth in descent from Sir Thomas Read of Berkshire, England. His son, George Read (1733–98), was one of the signers of the Declaration of Independence, and as a lawyer helped frame the Constitution.
Female
Greek
(Λήδα) Greek name LEDA means "woman." In mythology, this is the name of the mother of Kastor, Pollux and Helen.
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
LEAD COOLED-FAST-REACTOR
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