ejection


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ejection

[ē′jek·shən]
(engineering)
The process of removing a molding from a mold impression by mechanical means, by hand, or by compressed air.
(ordnance)
The expelling, by the ejector, of the empty cartridge case from small arms and rapid-fire guns.

ejection

i. Escaping from an aircraft in an emergency by means of an independently propelled seat or capsule.
ii. In air armament, the process of forcefully separating an aircraft store from an aircraft to achieve satisfactory separation. This is normally done by an electromagnet release unit (EMRU), a pneumatic release unit, or a pyrocartridge(s).
References in periodicals archive ?
The contractor for the supply simulator adapted ejection in the room - the building shared by the user, will perform assembly and start-up simulator with development ejection seat.
I stopped and thought about the list of hazards that were accumulating: armed ejection seat, open canopy, and the troubleshooter leaning over me to work on the handle.
Coronal mass ejections release huge quantities of matter and electromagnetic radiation into space above the sun's surface, either near the corona (sometimes called a solar prominence), or farther into the planet system, or beyond (interplanetary CME).
Pooled analysis of a total of 395 participants found an average net increase in ejection fraction of 3.
By measuring these changes, we aim to understand why the loops are so hot, and how they can suddenly explode, leading to solar flares and even coronal mass ejections.
According to the authors, preserved ejection fraction is more common among women than men, and this "may be expected to lead to better survival for these patients".
The Tucano and Hawk T Mk2 aircraft were cleared to fly following safety checks to their ejection seat systems on November 28.
Nests in both years were videotaped for 1 hr to record ejection behavior after a cowbird egg had been added.
This included about 15,000 patients with left ventricular ejection fractions greater than 40%, and about 4,000 with ejection fractions of 40% or less.
24 /PRNewswire-FirstCall/ -- Goodrich Corporation is celebrating the genesis of its Advanced Concept Ejection Seat (ACES).
In August 2005, when my AF was paroxysmal, my echocardiogram showed some stenosis of the aortic valve and mild insufficiency of the mitral and tricuspid valves with an ejection fraction of 58 percent.