Search references for AIR START-SYSTEM. Phrases containing AIR START-SYSTEM
See searches and references containing AIR START-SYSTEM!AIR START-SYSTEM
Power source for starting large engines
An air-start system is a power source used to provide the initial rotation to start large diesel engines and gas turbines. Compared to a gasoline (petrol)
Air-start_system
Feature of internal combustion engine vehicles
Automatic systems monitor engine load and accessory demand, and may override stop-start functionality under certain conditions, such as use of air conditioning
Start-stop_system
Equipment for servicing aircraft between flights
AERO Specialties Aircraft ground handling Airline service trolley Air-start system Bag ramp Baggage tug Charging station Electric cart Electric truck
Ground_support_equipment
engine gas starting system, used on the Bristol Jupiter engine in 1922. A system used in early Rolls-Royce Kestrel engines ducted high-pressure air from a
Aircraft_engine_starting
Cold start aid for diesel engines
the air intake acting as a heater. Dan (2019-01-31). "Ducato Cold Start / Flame Start system explained". Motor-Roam. Retrieved 2022-07-28. "Cold-Start Aids
Flame-start_system
Aircraft gas turbine function
air is used to power aircraft systems because it is readily available from the engines. For example, bleed air from one engine can be used to start the
Bleed_air
Topics referred to by the same term
the ground to flying through the air Starting lineup in sports Starts use in sport race Standing start, and rolling start, in an auto race National Consortium
Start
Cooling of air in an enclosed space
ventilative cooling. Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC)
Air_conditioning
Airbreathing jet engine which is typically used in aircraft
its control systems to implement the newest knowledge from the areas of automation, so increase its safety and effectiveness. Air-start system Exoskeletal
Turbojet
Device used to start an internal combustion engine
cooling on starting. Also, the cylinder head needs to have enough space to support an extra valve for the air start system. The air start system is conceptually
Starter_(engine)
Technology of indoor and vehicular environmental comfort
Heating, ventilation, and air conditioning (HVAC /ˈeɪtʃˌvæk/) systems regulate temperature, humidity, and indoor air quality in vehicles and buildings
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Alternative vehicle power source
meet those deadlines and cost estimates. Air-start system Auxiliary hydraulic system Coffman engine starter Ram air turbine Uninterruptible power supply (UPS)
Auxiliary_power_unit
Medium to transfer power in hydraulic machinery
called a Ram-Air Turbine (RAT) which is concealed under the fuselage. This provides electrical power for the hydraulic pumps and control systems as power
Hydraulic_fluid
Supersonic atmospheric jet engine
airbreathing jet engine that requires forward motion of the engine to provide air for combustion. Ramjets work most efficiently at supersonic speeds around
Ramjet
European sixth-generation jet fighter project
The Future Combat Air System (FCAS; French: Système de Combat Aérien du Futur; SCAF; German: Zukünftiges Luftkampfsystem; Spanish: Futuro Sistema Aéreo
Future_Combat_Air_System
Type of engine issue in aviation
to it, engine control systems usually provide a continuous ignition function. Igniters are normally used only at engine start, until the flame in the
Flameout
Turbojet engine component
which the engine generates thrust because it increases the momentum of the air passing through it. Thrust depends on two things: the velocity of the exhaust
Afterburner
Piston engine starting system
starters obsolete for most uses.[citation needed] Aircraft engine starting Air-start system Isopropyl nitrate - A monopropellant fuel used to power AVPIN
Coffman_engine_starter
Turbine engine driving an aircraft propeller
nozzle. Air enters the intake and is compressed by the compressor. Jet fuel is then added to the compressed air in the combustor, where the fuel-air mixture
Turboprop
Engine where combustion is pulsed instead of continuous
Argus As 014 valve array was based on a shutter system that operated at 47 cycles-per-second. Three air nozzles in the front of the Argus As 014 were connected
Pulsejet
Aircraft propulsion system efficient at a range of speeds higher and lower than sound's
and the Pratt & Whitney XA101, as well as the propulsion system for the Next Generation Air Dominance (NGAD) fighter. General Electric developed a variable
Variable_cycle_engine
Aircraft propulsion component
windmilling can damage the engine, start a fire, or cause structural damage to the aircraft.[citation needed] Most feathering systems for reciprocating engines
Propeller_(aeronautics)
Self-propelled anti-aircraft weapon system
'[body] armour') missile system is a family of self-propelled, medium-range surface-to-air missile and anti-aircraft artillery systems. Three types of vehicles
Pantsir_missile_system
Measures to combat enemy aerial forces
hostile air action". It encompasses surface-based, subsurface (submarine-launched), and air-based weapon systems, in addition to associated sensor systems, command
Anti-aircraft_warfare
Indian long-range surface-to air missile
Extended Range Air Defence System (ERADS), is a programme under the Defense Research and Development Organization for the Indian Air Force and Indian
Project_Kusha
Temporary diversion of an aircraft engine's thrust
United States Air Force Lockheed C-5 Galaxy crashed shortly after take-off from Ramstein Air Base in Germany. As the aircraft started to climb off the
Thrust_reversal
Regional airline of Japan (1971–2006)
Japan Air System (JAS), later known as Japan Airlines Domestic from 2004, was the smallest of the big three Japanese airlines. In contrast to the other
Japan_Air_System
Aircraft cockpit with electronic displays
have been replaced by electronic attitude and heading reference systems (AHRS) and air data computers (ADCs), improving reliability and reducing cost and
Glass_cockpit
Brief description of components needed for jet engines
ignited during the engine start) and an HP turbine. The compressor is needed because fuel has to be burned in high pressure air to get the most energy out
Components_of_jet_engines
Control system for heating, ventilation, and air conditioning equipment
Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. Usually a sensing
HVAC_control_system
Part of a jet engine where fuel is burned
high-pressure air by the compression system. The combustor then heats this air at constant pressure as the fuel/air mix burns. As it burns the fuel/air mix heats
Combustor
Flight instrument
An air data inertial reference unit (ADIRU) is a key component of the integrated air data inertial reference system (ADIRS), which supplies air data (airspeed
Air data inertial reference unit
Air_data_inertial_reference_unit
Portable surface-to-air missile weapons
Man-portable air-defense systems (MANPADS or MPADS) are portable shoulder-launched surface-to-air missiles. They are guided weapons and are a threat to
Man-portable air-defense system
Man-portable_air-defense_system
Computer used for engine control in aerospace engineering
position, air bleed valve position, and others are computed from this data and applied as appropriate. FADEC also controls engine starting and restarting
FADEC
Non-airbreathing engine used to propel a missile or vehicle
propellant allows the pressurisation system to be small and lightweight, whereas duct engines have to deal with air which has around three orders of magnitude
Rocket_engine
Jet engine where combustion takes place in supersonic airflow
speed to compress the incoming air forcefully before combustion (hence ramjet), but whereas a ramjet decelerates the air to subsonic velocities before
Scramjet
Aircraft engine that produces thrust by emitting a jet of gas
of reaction engine, discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition may
Jet_engine
Machine for continuous flow gas compression
"bleed" air out of the middle of the compressor in order to avoid trying to compress too much air in the final stages. This was also used to help start the
Axial_compressor
Type of alert system on aircraft
An engine-indicating and crew-alerting system (EICAS) is an integrated system used in modern aircraft to provide aircraft flight crew with instrumentation
Engine-indicating and crew-alerting system
Engine-indicating_and_crew-alerting_system
Regional airline of Japan
Hokkaido Air System (HAC) is a Japanese regional airline that operates scheduled services in Hokkaidō and Aomori Prefecture, Japan from a main base of
Hokkaido_Air_System
Ground-launched missile designed to attack aerial targets
A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched
Surface-to-air_missile
Engine fuel systems in aircraft
fuel tanks have thermometers and heating systems. Many are pressurized with engine bleed air to keep moist air out and ensure positive pressure feed to
Aircraft_fuel_system
Simplest known jet propulsion device
be in normal outdoor air.) When a compression wave reaches the open end of either tube, a low pressure rarefaction wave starts back in the opposite direction
Valveless_pulsejet
Display system in an aircraft's cockpit which displays flight information electronically
(from the air data computer) generates an altitude error display. This same altitude selection is used by the automatic flight control system to level
Electronic flight instrument system
Electronic_flight_instrument_system
Gas turbine phenomenon
increasing throttle. A compressor anti-stall system is a compressor bleed system that automatically dumps away unwanted air to prevent compressor stalling. Other
Compressor_stall
Robust aircraft electronic recording device
the Finnish Air Force repaired or built in its main aviation factory in Tampere, Finland. During World War II, both British and American air forces successfully
Flight_recorder
Mobile ground base air defence system
Maneuver Air Defence System) is a short range mobile ground base air defence system designed and made by Kongsberg Defence & Aerospace. The system is designed
NOMADS ground-based air defence system
NOMADS_ground-based_air_defence_system
Electric spark system to ignite a fuel-air mixture
engines normally use an ignition system only during start-up. Diesel engines use compression ignition to ignite the fuel-air mixture using the heat of compression
Ignition_system
Family of short-range to long-range surface to air missile systems
Hisar (Fortress) is a family of short and high to medium air defense surface-to-air missile systems being developed by Roketsan and Aselsan since 2007. The
Hisar_(missile_family)
Proposed fighter aircraft concept by BAE Systems
Future Combat Air System (FCAS) programme by a consortium known as Team Tempest, which includes the British Ministry of Defence, BAE Systems, Rolls-Royce
BAE_Systems_Tempest
French short range air defense system
lightweight anti-air missile), commonly called Mistral, is a family of French infrared homing multipurpose short range air defense system manufactured by
Mistral_(missile)
Gas turbine gearbox
compressor of a two-shaft engine). One important use for bleed air is for cross-starting of other engines in a multi-engine aircraft. Some of the accessories
Accessory_drive
Aviation safety – Air route – Airship – Airshow – Airspace classes – Airspeed – Airspeed indicator – Air-start system – Air traffic control – Air traffic controllers'
Index_of_aviation_articles
Norwegian surface-to-air missile system
Surface-to-Air Missile System, also known as Norwegian Advanced Surface-to-Air Missile System) is a short- to medium-range ground-based air defense system developed
NASAMS
Nozzle that converts the internal energy of a working gas into propulsive force
well suited to matching the airflow between the intake system and engine. Efficient use of this air in the nozzle was a prime requirement for aircraft that
Propelling_nozzle
Type of gearbox used on jet engines
alternator needs to spin at a constant specific speed (typically 6,000 RPM for air-cooled generators). Since the jet engine gearbox speed varies from idle to
Constant-speed_drive
System that allows a pilot to control thrust without manually setting fuel flow
specific target indicated air speed, or the assigned power for different phases of flight. A/T and AFDS (Auto Flight Director Systems) can work together to
Autothrottle
American surface-to-air missile system since 1981
Patriot is a mobile interceptor missile surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied
MIM-104_Patriot
Anti-aircraft and aerial defense service branch of the Islamic Republic of Iran Army
KS-19) and the Mesbah 1 air defense system. On 21 August 2012, the Iranian military started construction of its largest air defense base in the city
Islamic Republic of Iran Air Defense Force
Islamic_Republic_of_Iran_Air_Defense_Force
Family of surface-to-air missiles developed by MBDA UK
(16 mi), is part of the Sea Ceptor air defence system which replaced the Sea Wolf missiles on Type 23 frigates starting from 2018. As of 2023[update], It
CAMM_(missile_family)
Cold War-era American supersonic bomber
the B-58 was developed during the 1950s for the United States Air Force (USAF) Strategic Air Command (SAC). To achieve the high speeds desired, Convair chose
Convair_B-58_Hustler
Indian combat air teaming system
The HAL Combat Air Teaming System (CATS) is a planned Indian unmanned and manned combat aircraft air teaming system under development by Hindustan Aeronautics
HAL_Combat_Air_Teaming_System
Air service branch of the U.S. military
The United States Air Force (USAF) is the air service branch of the United States Armed Forces. It is a part of the United States Department of Defense
United_States_Air_Force
Military air navigation system
A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system initially designed for naval aircraft to acquire moving
Tactical air navigation system
Tactical_air_navigation_system
Avionics system
The Future Air Navigation System (FANS) is an avionics system which provides direct data link communication between the pilot and the air traffic controller
Future_Air_Navigation_System
Airbreathing jet engine designed to provide thrust by driving a fan
the air passing through it by burning fuel, and a ducted fan powered by energy from the gas turbine to force air rearwards. Whereas all the air taken
Turbofan
Aircraft without any human pilot on board
these UAVs helped Israel to completely neutralize the Syrian air defenses at the start of the 1982 Lebanon War, resulting in no pilots downed. In Israel
Unmanned_aerial_vehicle
Vehicle safety device
supplemental restraint system for the vehicle's seat belt systems. Newer side-impact airbag modules consist of compressed-air cylinders that are triggered
Airbag
Air under a pressure greater than atmospheric
airlift dredging Refrigeration using a vortex tube Air-start systems in engines Ammunition propulsion in: Air guns Airsoft equipment Paintball equipment Cleaning
Compressed_air
Experimental aircraft
landing gear's wheels and brakes), F-20 Tigershark (hydrazine emergency air-start system, later replaced) and B-1 Lancer (spindles from its control vanes used
Rockwell-MBB_X-31
Aerial warfare branch of the United Arab Emirates' military
Emirates Air Force (UAEAF) (Arabic: القوات الجوية والدفاع الجوي الاماراتي, romanized: al-Quwwāt al-Jawiyah wa al-Defa' al-Jawiy al-ʾImārāty) is the air force
United Arab Emirates Air Force
United_Arab_Emirates_Air_Force
2025 aviation accident in India
Air India Flight 171 was a scheduled international passenger flight from Sardar Vallabhbhai Patel International Airport in Ahmedabad, Gujarat, India,
Air_India_Flight_171
Aerial service branch of the Indian Armed Forces
The Indian Air Force (IAF) (ISO: Bhāratīya Vāyu Senā) is the air arm of the Indian Armed Forces. Its primary mission is to secure Indian airspace and
Indian_Air_Force
Israeli short-range air-to-air missile
uppercase; פיתון) is a family of air-to-air missiles (AAMs) built by the Israeli weapons manufacturer Rafael Advanced Defense Systems, formerly RAFAEL Armament
Python_(missile)
Air and space warfare force of the United Kingdom
The Royal Air Force (RAF) is the air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards
Royal_Air_Force
Self-propelled anti-aircraft gun
The M163 Vulcan Air Defense System (VADS), officially Gun, Air Defense Artillery, Self-Propelled 20-mm, M163, is a self-propelled anti-aircraft gun (SPAAG)
M163_VADS
Air surveillance branch of Iceland's military
The Iceland Air Defence System (Icelandic: Íslenska loftvarnarkerfið) is a part of the Icelandic Coast Guard, funded by NATO. It operates four radar complexes
Iceland_Air_Defence_System
External mixture preparation system for internal combustion engines
it begins forming a combustible air-fuel mixture with the air. As soon as the intake valve opens, the piston starts sucking in the still forming mixture
Manifold_injection
U.S. Space Force space development, acquisition, launch, and logistics field command
the Space Systems Division and regained its ballistic missile development role in 1990. With the merger of Air Force Systems Command and Air Force Logistics
Space_Systems_Command
American flight tracking company
AirNav Systems is a Tampa-based global flight tracking and data services company founded in 2001. The company operates a flight tracking website and mobile
AirNav_Systems
2009 Royal Navy destroyer class
and anti-missile warfare and is built around the PAAMS (Sea Viper) air-defence system using the SAMPSON Active electronically scanned array (AESA) and the
Type_45_destroyer
with the Pakistan Air Force. List of retired Pakistan Air Force aircraft List of Pakistan Air Force squadrons List of Pakistan Air Force non-flying equipment
List of active Pakistan Air Force aircraft
List_of_active_Pakistan_Air_Force_aircraft
NATO Air defence radar network
1955. The system was to be based on four air defense regions (ADRs) coordinated by the Supreme Allied Commander Europe (SACEUR). Starting from 1956 early
NATO Integrated Air Defense System
NATO_Integrated_Air_Defense_System
American integrated naval weapons system
Aegis Combat Systems in low state of readiness. The Aegis system was involved in a disaster in which USS Vincennes mistakenly shot down Iran Air Flight 655
Aegis_Combat_System
Franco-Italian surface-to-air missile family
as an export customer, and is an integrated component of the PAAMS air defence system, known in the Royal Navy as Sea Viper. As the principal weapon of
Aster_(missile_family)
American ICBM
2005 as part of START II. A total of 400 LGM-30G missiles are emplaced at F.E. Warren Air Force Base, Wyoming (90th Missile Wing), Minot Air Force Base, North
LGM-30_Minuteman
Fail-safe power braking system with compressed air as the operating medium
air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that
Railway_air_brake
Light twin-turboprop transport aircraft family
as the "Super King Air" family; the "Super" designation was dropped in 1996. They form the King Air line together with the King Air Model 90 and 100 series
Beechcraft_Super_King_Air
Robust communication network of Indian Air Force
Outlook India: IAF Kick Starts AFNET Enabling Network Centric Warfare "ANALYSIS | India's Integrated Air Command & Control System (IACCS) : A NCW Milestone"
Air_Force_Network
American satellite-based radio navigation service
Korean Air Lines Flight 007 was shot down when it mistakenly entered Soviet airspace, President Ronald Reagan determined that the GPS system would be
Global_Positioning_System
Restoring of electric power station without external electric power
providing the black start must be located close to the electricity users. Electrical generating plants require electric power to operate systems required in the
Black_start
Type of pistol
A starting pistol or starter pistol is a blank handgun or, more recently, an electronic toy gun or device with a button connected to a sound system that
Starting_pistol
2025 smartphone by Apple
The iPhone Air is available in four colors: Sky Blue, Light Gold, Cloud White, and Space Black. The iPhone Air features the A19 Pro system-on-chip (SoC)
IPhone_Air
Military unit
The System of Cooperation Among the American Air Forces (Spanish: Sistema de Cooperación entre las Fuerzas Aéreas Americanas, SICOFAA) is an apolitical
System of Cooperation Among the American Air Forces
System_of_Cooperation_Among_the_American_Air_Forces
Heating element used to aid in starting diesel engines
starting of the engine in cold weather. This device is a pencil-shaped piece of metal with an electric heating element at the tip. A glowplug system consists
Glow_plug
Rating systems for network and broadcast television
icons must be shown at the start of each block of the show, and their respective promos. The Brazilian content rating system utilises age-specific classifications
Television content rating system
Television_content_rating_system
Tablet computer developed by Apple (2025–2026)
the iPad Air (6th generation) and introduces several hardware, performance, and accessory improvements while maintaining the same starting price as its
IPad_Air_(M3)
Franco-Italian surface-to-air missile system
purchasing two SAMP/T systems as the long-range component of its integrated ground-based air defence systems. Design of SAMP/T started in 1990 with the goal
SAMP/T
Conduit used in heating, ventilation, and air conditioning
air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort. A duct system is
Duct_(flow)
70), a man-portable air-defense system (MANPADS). Finland (16) The Finnish Armed Forces ordered four batteries of the ASRAD-R system, known locally as the
List of operators of the RBS 70
List_of_operators_of_the_RBS_70
AIR START-SYSTEM
AIR START-SYSTEM
Surname or Lastname
English
English : unexplained (Starns).
Surname or Lastname
English and Welsh
English and Welsh : unexplained.
Male
English
French form of English Stewart, STUART means "house guard; steward." In use by the English and Scottish.
Surname or Lastname
English
English : nickname for a brisk or active person, from Middle English smart ‘quick’, ‘prompt’ (Old English smeart ‘stinging’, ‘painful’, from smeortan ‘to sting’). This name is common and widespread throughout England, Wales, and Scotland.
Male
Russian
(КиÌÑ€) Russian name KIR means "master, ruler."
Male
Finnish
 Pet form of Finnish Aaroni, ARI means "light-bringer." Compare with other forms of Ari.
Boy/Male
Anglo, Australian, British, English
Star
Female
English
Variant spelling of English Star, STARR means "star."
Male
English
Variant spelling of English Gare, GAIR means "spear."
Girl/Female
English American
Star.
Girl/Female
British, English, Jamaican
Star
Girl/Female
English Latin
Star.
Girl/Female
British, English
Star
Boy/Male
Norse
Father of Thorkel.
Boy/Male
Bengali, Christian, Hindu, Indian, Punjabi, Sikh
Abbreviated from Aarav; Hero; Star
Girl/Female
American, Australian, British, Christian, English, Greek, Latin
Star; Esther; Stella; Inspiring
Surname or Lastname
English
English : habitational name from any of the various minor places, for example Start Point in Devon, named from Old English steort ‘tail’, in the transferred sense of a promontory or spur of a hill.
Male
Hebrew
(עַטִיר) Hebrew name ATIR means "crown, wreath."
Surname or Lastname
English
English : nickname from Middle English sterre, starre ‘star’. The word was also used in a transferred sense of a patch of white hair on the forehead of a horse, and so perhaps the name denoted someone with a streak of white hair. It is possibly also a habitational name, for someone who lived at a house distinguished by the sign of a star.Jewish (Ashkenazic) : variant of Star 1 and 3.
Girl/Female
American, Australian, British, Christian, English, Greek, Jamaican, Latin
Star; Esther; Stella; Inspiring
AIR START-SYSTEM
AIR START-SYSTEM
Girl/Female
American, Australian, British, Chinese, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Indian, Italian, Latin, Netherlands, Polish, Portuguese, Romanian, Swedish, Swiss
Small; Humble; String; Little
Biblical
delicious; delicate
Boy/Male
Hindu
Poet of the kingdom, King of poet
Boy/Male
American, British, English
From the North Spring
Girl/Female
Hindu, Indian, Tamil
Powerful; Strong
Girl/Female
Muslim
Light
Surname or Lastname
English
English : habitational name from a settlement on the river Dart in Devon, which is named from a British term meaning ‘oak’ and is thus a cognate of Darwin 2.English : metonymic occupational name for a maker of arrows, from Middle English dart (from Old French darde).
Girl/Female
Tamil
Suswetha | ஸà¯à®¸à¯à®µà¯‡à®Ÿà®¾
Suswetha means good white. su means good and Swetha means white
Girl/Female
Indian, Punjabi, Sikh
Blessed with All Qualities
Girl/Female
Indian, Kurdish, Punjabi, Sikh
Maskara
AIR START-SYSTEM
AIR START-SYSTEM
AIR START-SYSTEM
AIR START-SYSTEM
AIR START-SYSTEM
v. i.
Keen; severe; poignant; as, smart pain.
v. t.
To cause to move or act; to set going, running, or flowing; as, to start a railway train; to start a mill; to start a stream of water; to start a rumor; to start a business.
v. t.
To cause a smart in.
n.
The peculiar look, appearance, and bearing of a person; mien; demeanor; as, the air of a youth; a heavy air; a lofty air.
v. i.
Pretentious; showy; spruce; as, a smart gown.
v. i.
Smart money (see below).
v. i.
Brisk; fresh; as, a smart breeze.
v. i.
To set out; to commence a course, as a race or journey; to begin; as, to start business.
v. i.
Causing a smart; pungent; pricking; as, a smart stroke or taste.
n.
A sudden, unexpected movement; a sudden and capricious impulse; a sally; as, starts of fancy.
a.
Relating or belonging to air; high in air; aerial; as, an airy flight.
v. i.
To become somewhat displaced or loosened; as, a rivet or a seam may start under strain or pressure.
adv.
Wholly; entirely; absolutely; quite; as, stark mind.
v. t.
To make swart or tawny; as, to swart a living part.
n.
Odoriferous or contaminated air.
v. t.
To pour out; to empty; to tap and begin drawing from; as, to start a water cask.
a.
Open to a free current of air; exposed to the air; breezy; as, an airy situation.
v. t.
Fig.: Sharp; keen; severe; as, a tart reply; tart language; a tart rebuke.
a.
Consisting of air; as, an airy substance; the airy parts of bodies.
n.
Doctrine or knowledge of the stars; star lore; astrology; astronomy.