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Topics referred to by the same term
Look up ejection or eject in Wiktionary, the free dictionary. Ejection or Eject may refer to: Ejection (sports), the act of officially removing or disqualifying
Ejection
Emergency aircraft escape system
an ejectable escape crew capsule has also been tried (see B-58 Hustler). Once clear of the aircraft, the ejection seat deploys a parachute. Ejection seats
Ejection_seat
Portion of blood pumped per heartbeat
An ejection fraction (EF) related to the heart is the volumetric fraction of blood ejected from a ventricle or atrium with each contraction (or heartbeat)
Ejection_fraction
Firearm design concept
downward ejecting refers to firearms which eject spent cases downward from the firearm's receiver, rather than the more conventional designs which eject the
Downward_ejection
Pyrotechnic composition
container and eject its content. In model rocketry, ejection charges are used to deploy a recovery system (usually parachute or streamer). The ejection charge
Ejection_charge
1662 purge of Puritan ministers in the Church of England
commemorate the bicentennial of the Great Ejection. The Bishop of Liverpool, J. C. Ryle (1816–1900), referred to the Ejection as an "injury to the cause of true
Great_Ejection
Removal of a participant due to a violation of the rules
rules. The exact violations that lead to an ejection vary depending upon the sport, but common causes for ejection include unsportsmanlike conduct, violent
Ejection_(sports)
Consonantal sound
Americanist traditions, an apostrophe indicates weak ejection and an exclamation mark strong ejection: ⟨k̓ , k!⟩. In the IPA, the distinction might be written
Ejective_consonant
Common law term
Ejectment is a common law term for civil action to recover the possession of or title to land. It replaced the old real actions and the various possessory
Ejectment
Medical condition
preserved ejection fraction (HFpEF, hef-PEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from
Heart failure with preserved ejection fraction
Heart_failure_with_preserved_ejection_fraction
Medical condition
Heart failure with reduced ejection fraction (HFrEF, hef-REF) is a form of heart failure in which the ejection fraction is reduced. This is defined as
Heart failure with reduced ejection fraction
Heart_failure_with_reduced_ejection_fraction
English punk rock/Oi! band
The Ejected were an English punk rock/Oi! band from Dagenham, London, active mainly between 1981 and 1983. The band was formed by ex-Dawn Patrol members
The_Ejected
Medical condition
Dysphoric milk ejection reflex (D-MER) is a condition in which people who breastfeed develop negative emotions that begin just before the milk ejection reflex
Dysphoric milk ejection reflex
Dysphoric_milk_ejection_reflex
NASA Space Shuttle safety procedures
ejection, while the General Dynamics F-111 and early prototypes of the Rockwell B-1 Lancer used cabin ejection. Like ejection seats, capsule ejection
Space_Shuttle_abort_modes
Ejecta from the Sun's corona
A coronal mass ejection (CME) is a significant ejection of plasma mass from the Sun's corona into the heliosphere. CMEs are often associated with solar
Coronal_mass_ejection
English singer-songwriter (born 1991)
during an interview with Zane Lowe that he was creating an album titled Eject for release after his death, containing songs he recorded from age 18, with
Ed_Sheeran
British ejection and crashworthy seats manufacturer
Martin-Baker has, as of 2026, since the first live ejection test in 1945, saved 7,831 lives via the company's ejection seats. Martin-Baker also manufactures what
Martin-Baker
Notable coronal mass ejection
UTC, a solar storm involving an unusually large and strong coronal mass ejection occurred. It missed Earth by a margin of roughly nine days, as the Sun's
July_2012_solar_storm
Release of milk from the mammary glands
the cry of the baby. Milk ejection is initiated in the mother's breast by the act of suckling by the baby. The milk ejection reflex (also called let-down
Lactation
Consonantal sounds represented by ⟨tʼ⟩ in IPA
Americanist traditions, an apostrophe indicates weak ejection and an exclamation mark strong ejection: ⟨k̓ , k!⟩. In the IPA, the distinction might be written
Dental and alveolar ejective stops
Dental_and_alveolar_ejective_stops
Semi-automatic rifle
uses a unique downward ejection method to permit the operator to fire the rifle from either side. During the extraction and ejection cycle, spent casings
KelTec_RDB
Performance of the human heart
open—which results in separated blood volumes being ejected from the two ventricles. This is the ejection stage of the cardiac cycle; it is depicted (see
Cardiac_cycle
Aircraft ejection seat
The Zvezda K-36 is a series of ejection seats made by NPP Zvezda. Variants of this ejection seat have been used on a variety of aircraft, including the
NPP_Zvezda_K-36
Acoustic droplet ejection (ADE) uses a pulse of ultrasound to move low volumes of fluids (typically nanoliters or picoliters) without any physical contact
Acoustic_droplet_ejection
American spacesuit
Shuttle Ejection Escape Suit was used from STS-1 (1981) to STS-4 (1982) by a two-man crew used in conjunction with Space Shuttle Columbia's ejection seats
Shuttle_Ejection_Escape_Suit
Ejection seat system
ejection seat system manufactured by the Collins Aerospace division of Raytheon Technologies (RTX). ACES is an acronym for Advanced Concept Ejection Seat
ACES_II
Aircraft crew escape system
this: Ejecting individual crew capsules (one for each pilot/crew member) or "capsule ejection" Ejecting the entire crew cabin, or "cabin ejection" Four
Escape_crew_capsule
Failure of the heart to provide sufficient blood flow throughout the body
Left-sided heart failure may be present with a reduced ejection fraction or with a preserved ejection fraction. Heart failure is not the same as cardiac arrest
Heart_failure
Geomagnetic storm in 1859
stations. The geomagnetic storm was most likely the result of a coronal mass ejection (CME) from the Sun colliding with Earth's magnetosphere. The geomagnetic
Carrington_Event
Natural satellite orbiting Earth
estimated to strike the Moon's surface every 24 hours, resulting in the ejection of dust particles. The dust stays above the Moon for approximately 10 minutes
Moon
Eruption of electromagnetic radiation
active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena. The occurrence
Solar_flare
Belgian bullpup assault rifle
The weapon has fully ambidextrous controls, allowed by a unique ejection system, ejecting spent cartridge casings forward and to the right side of the weapon
FN_F2000
Topics referred to by the same term
Ejective clicks may be: Ejective-contour clicks, consonants that transition from a click to an ejective sound Ejective oral non-contour glottalized clicks
Ejective_click
Hypothetical gas giant ejected out of the Solar System
outer planets and accounting for the observed gaps in the Kuiper belt. The ejection of the Fifth Giant is believed to have occurred during the early Solar
Fifth_Giant
Medical condition
valves. Mid-systolic ejection murmurs are due to blood flow through the semilunar valves. They occur at the start of blood ejection — which starts after
Systolic_heart_murmur
Northern Irish aerospace engineer and co-founder of Martin-Baker (1893–1981)
Martin-Baker aircraft company, which is a leading producer of aircraft ejection seats. James Martin was born 11 September 1893 in the townland of Killinchy-in-the-Woods
James_Martin_(engineer)
Hypothesis of the formation of the Moon
20 to 100 million years after the Solar System formed), and some of the ejected debris from the impact event later re-accreted to form the Moon. The impactor
Giant-impact_hypothesis
Entrance of one object in another's orbit
stars and a few even in the retrograde direction. The opposite process, ejection from orbit, can occur through orbital instability or one or more encounters
Gravitational_capture
and winning percentage leaders Leitch, Will (May 2, 2023). "Bobby Cox's ejection record unlikely to ever be broken". MLB.com. Retrieved July 9, 2025. "John
List of Major League Baseball managers with most career ejections
List_of_Major_League_Baseball_managers_with_most_career_ejections
Ejection of saliva
Spitting is the act of forcibly ejecting saliva, sputum, nasal mucus and/or other substances from the mouth. The act is often done to get rid of unwanted
Spitting
Ejection of internal organs by animals as a defensive strategy
autotomy involving the ejection of internal organs used by animals as a defensive strategy. Sea cucumbers (Holothuroidea) eject parts of the gut in order
Evisceration_(autotomy)
Medical condition
be present in some patients. Aortic and pulmonary stenosis may cause an ejection click immediately after S1. MOUNSEY P (April 1953). "The opening snap of
Heart_click
Transparent enclosure over an aircraft cockpit
ejection seat system. The pilot cannot be ejected from the aircraft until the canopy is no longer in the path of the ejection seat. In most ejection seat
Aircraft_canopy
Tool used to eject SIM cards from mobile devices
slimmer designs. Apple Inc. filed a patent (U.S. Patent 9,787,342) for a SIM ejection mechanism that could include levers, pivots, or springs, demonstrating
SIM_ejector
Aviation accident
in Bellegem, near Kortrijk, Belgium, killing one person. The pilot had ejected over an hour earlier near Kołobrzeg, Poland, after experiencing technical
1989_Belgium_MiG-23_crash
Aerospace company
fitted with a NPP Zvezda K-37-800 ejection seat, which is a rare feature for a helicopter. Before the rocket in the ejection seat kicks in, rotor blades are
NPP_Zvezda
Common placeholder name in English
lessee of the plaintiff, in the (now obsolete in the UK) mixed action of ejectment, the fictitious defendant being called Richard Roe". This usage is mocked
John_Doe
Diabetes medication
including patients with reduced ejection fraction (LVEF <40%), mildly reduced ejection fraction (LVEF 41–49%) and preserved ejection fraction (LVEF ≥50%). Research
Dapagliflozin
Semi-automatic rifle
observe the number of unfired rounds remaining. The system required an ejection port to be cut into the left side of the M1903 rifle's receiver and the
Pedersen_device
Planetary system consisting of the Sun and objects orbiting it
in case of the Solar System the collisions caused their destruction and ejection. The orbits of Solar System planets are nearly circular. Compared to many
Solar_System
Mold creating process
In this system, the ejection assembly consists of a sleeve that slides over the core and ejects the component. No visible ejection marks are apparent on
Injection_mold_construction
Musical artist
Soft Eject is a Georgian indie rock band. Their musical style is influenced by folk rock and traditional folk music. Soft Eject was formed by singer-songwriter
Soft_Eject
Type of dump truck
or both. Haul trucks are classified by: Type of unloading (dump or rear-eject); Direction of discharge (side, rear); Type of body (hopper, platform, sliding
Haul_truck
Statistics accurate as of April 17, 2026. "What are NBA suspension and ejection rules?". ESPN.com. 2024-03-28. Retrieved 2025-04-25. Fernandez, Gabe (December
List of NBA career ejections leaders
List_of_NBA_career_ejections_leaders
Blowback handgun
trigger-bar left of receiver Groove sight Triangular/ramped frontier sight Oval ejection port The Walther Model 4, Type 2 included an omitted frontier bushing,
Walther_Model_4
Consonantal sound represented by ⟨qʼ⟩ in IPA
A uvular ejective is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this
Uvular_ejective_stop
Cone formed by the ejection of sand on a surface from a central point
blowouts. A sand volcano or sand blow is a cone of sand formed by the ejection of sand onto a surface from a central point. The sand builds up as a cone
Sand_boil
Ejection of a human being from a specially designed cannon
act is a performance in which a person who acts as the "cannonball" is ejected from a cylinder that has been specially designed to resemble a cannon.
Human_cannonball
Bullpup assault rifle
and slightly up into an ejection tube running above the barrel, from which it would finally exit above the muzzle. This ejection mechanism made it possible
TKB-022PM
Survivor of fall through a thunderstorm cloud
Crusader jet fighter over a cumulonimbus cloud when the engine failed, and he ejected and parachuted into the cloud. Rankin wrote a book about his experience
William_Rankin
Consonantal sound
A dental ejective affricate is a type of consonantal sound. The symbol in the International Phonetic Alphabet that represents this sound is ⟨t̪͡θʼ⟩. Features
Dental_ejective_affricate
conform to the Book of Common Prayer and bishops were expelled in the Great Ejection, marking the emergence of English Nonconformism. Although Calvinism ceased
Reformed theology in the Church of England
Reformed_theology_in_the_Church_of_England
Planetary nebulae are a type of emission nebula created from the ejected gas of dying red giant stars. The following is an incomplete list of known planetary
List_of_planetary_nebulae
Basketball foul which does not involve physical contact between players
disqualifying foul in FIBA and NCAA women's play, incurs ejection. FIBA rules call for ejection for two non-flagrant technicals (known as unsportsmanlike
Technical_foul
synchrotron. An ejection kicker magnet does the opposite, diverting a circulating beam so it leaves the synchrotron. Almost always, an ejection kicker is used
Kicker_magnet
Measurement in cardiovascular physiology
product of stroke volume and heart rate, and is also used to calculate ejection fraction, which is stroke volume divided by end-diastolic volume. Because
Stroke_volume
American multi-role fighter aircraft
cockpit visibility, a side-stick to ease control while maneuvering, an ejection seat reclined 30 degrees from vertical to reduce the effect of g-forces
General Dynamics F-16 Fighting Falcon
General_Dynamics_F-16_Fighting_Falcon
Indian fighter pilot killed during the Kargil War
and a fractured knee, the latter likely sustained during landing after ejection, indicating that he was alive upon landing. However, this incident was
Ajay_Ahuja
Experimental rocket
use by the United States Air Force during the 1950s for the testing of ejection seats. Made from aluminum, Cherokee was a blocky, simple design that was
Cherokee_(rocket)
South African revolver-type combat shotgun
The Protecta also featured an auto-ejection mechanism that vents excess gas from firing into the cylinder to eject the previously fired round, somewhat
Armsel_Striker
American strategic bomber aircraft
crew ejection systems. On the B-52D, the pilots and electronic countermeasures (ECM) operator ejected upwards, while the lower deck crew ejected downwards;
Boeing_B-52_Stratofortress
Consonantal sound represented by ⟨pʼ⟩ in IPA
A bilabial ejective is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this
Bilabial_ejective_stop
Royal Air Force Pilot
the adjacent canal. It was the first ever deployment of the Martin-Baker ejection seat in an in-flight emergency." Lancaster retired in 1984. He has over
Jo_Lancaster
its Martin Baker ejection seats at Naval Air Station Patuxent River. On Wednesday April 9 1958 the record for the highest ejection was set over Monyash
History_of_aviation_medicine
British ejection seat
O. Lancaster, used the pre-Mk.1 ejection seat to save his life, making it the first occasion of an emergency ejection by a British pilot. Operating the
Martin-Baker_Mk.1
Parabolic comet
is unknown if this comet will return in a hundred thousand years or be ejected from the Solar System. The comet was discovered in the constellation of
C/1729_P1_(Sarabat)
Anti-materiel rifle
rigid locking of the barrel. Empty cases are ejected automatically when pulling the bolt back. The case ejection process is slightly delayed, which allows
Snipex_M
American baseball umpire (born 1990)
Sports & Umpire Ejection Fantasy League. Retrieved December 16, 2023. "MLB Debut of Umpire Erich Bacchus". Close Call Sports & Umpire Ejection Fantasy League
Erich_Bacchus
Consonantal sound
A palatal ejective is a type of consonantal sound used in some spoken languages, and the symbol in the International Phonetic Alphabet (IPA) that represents
Palatal_ejective_stop
American commentator (born 1988)
involved other associates in their offending. In September 2025, Tracey was ejected from a news conference featuring survivors of Jeffrey Epstein's abuse after
Michael_Tracey_(commentator)
Shotgun
which usually eject expended shells to one side, usually the right – the 37 ejects them downward, through the aforementioned loading/ejection port. This
Ithaca_37
Consonantal sound represented by ⟨kʼ⟩ in IPA
A velar ejective is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this
Velar_ejective_stop
US Air Force supersonic aircraft, 1964–1998
an emergency ejection at Mach 3.2 would subject crews to temperatures of about 450 °F (230 °C); thus, during a high-altitude ejection scenario, an onboard
Lockheed_SR-71_Blackbird
System of phonetic notation
(found in languages such as Sindhi, Hausa, Swahili and Vietnamese), and ejectives (found in many Amerindian and Caucasian languages). IPA help audio full
International Phonetic Alphabet
International_Phonetic_Alphabet
Aviation accident in Maine, United States
navigator's parachute did not deploy upon ejection. He impacted the snow-covered ground before separating from his ejection seat about 2,000 feet (610 m) from
1963 Elephant Mountain B-52 crash
1963_Elephant_Mountain_B-52_crash
Consonantal sound
lateral ejective affricate is a rare type of consonantal sound, used allophonically in some spoken languages. Features of a uvular lateral ejective affricate:
Uvular lateral ejective affricate
Uvular_lateral_ejective_affricate
Semi-automatic rifle
operating system. The rifle uses a patented forward-ejection system via a tube placed over the barrel that ejects the spent case forwards, over the handguard
KelTec_RFB
Injection molding system
cavities. Each time the mold opens to eject the newly formed plastic parts, the material in the runner is ejected as well, resulting in waste. A hot runner
Hot_runner
Russian artificial satellite
were modified with an ejection system for their nuclear reactors. This ejection system would allow the reactor section to be ejected in the event of a malfunction
Kosmos_1402
Beetles that emit a spray when threatened
byproducts that are ejected include various acids, aldehydes, and phenols. The flow of reactants into the reaction chamber and subsequent ejection occur in a series
Bombardier_beetle
Hypothesized climate effects due to an asteroid or comet impact on Earth
The two main mechanisms that could lead to an impact winter are mass ejection of regolith and multiple firestorms. In a study conducted by Curt Covey
Impact_winter
2011 British Royal Air Force accident
failed to fully insert the safety pin of her ejection seat firing handle leaving her at risk of accidental ejection. Stewart said the firing handle had accidentally
Death_of_Sean_Cunningham
Atmospheric effect caused by the solar wind
occurred on 2 September 1859, was a result of the (unseen) coronal mass ejection associated with the exceptionally intense Carrington–Hodgson white light
Aurora
2018 studio album by Monster Magnet
sound for Mindfucker. The album yielded two singles, "Mindfucker" and "Ejection", the latter being a Robert Calvert cover. All tracks are written by Dave
Mindfucker_(album)
Collection of matter whose mass varies with time
{d} \mathbf {v} \over \mathrm {d} t}} In a system where mass is being ejected or ablated from a main body, the derivation is slightly different. At time
Variable-mass_system
United States Air Force general
make the KM-1 ejection seat used in the MiG-23 safe and reliable; another USAF pilot, Mark Postai, had been killed in an attempted ejection from a MiG-23
Robert_M._Bond
Method of analysing cardiac performance
impairs the heart's ability to eject blood and, therefore, reduces ejection fraction. This reduction in the ejection fraction can manifest itself as
Pressure–volume loop analysis in cardiology
Pressure–volume_loop_analysis_in_cardiology
Consonantal sound
A palato-alveolar ejective affricate is a type of consonantal sound, used in some spoken languages. The sound is represented in the International Phonetic
Postalveolar ejective affricate
Postalveolar_ejective_affricate
Aerospace company
production of military aircraft ejection seats. Originally located in Aurora, Colorado, the company's exhibit collection of ejection seats was donated to the
Stanley_Aviation
Topics referred to by the same term
ejaculation in Wiktionary, the free dictionary. In males, ejaculation is the ejection of semen. Ejaculation may also refer to: Ejaculatory prayer, a very short
Ejaculation_(disambiguation)
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