ejection

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Related to eject: ejection fraction

e·jec·tion

(ē-jek'shŭn),
1. The act of driving or throwing out by physical force from within.
2. That which is ejected. Synonym(s): ejecta
[L. ejectio, from ejicio, to cast out]

ejection

/ejec·tion/ (e-jek´shun)
1. the act of casting out or the state of being cast out, as of excretions, secretions, or other bodily fluids.
2. something cast out.
3. the discharge of blood from the heart; see under period.

ejection

[ijek′shən]
Etymology: L, ejicere, to cast out
forceful expulsion, as of blood from a ventricle of the heart.

ejection

Cardiology See Ejection fraction, Ejection murmur Emergency medicine The throwing of a person from a vehicle.

e·jec·tion

(ē-jek'shŭn)
1. The act of driving or throwing out by physical force from within.
2. That which is ejected.
Synonym(s): ejecta.
[L. ejectio, from ejicio, to cast out]

e·jec·tion

(ē-jek'shŭn)
1. Driving or throwing out by physical force from within.
2. That which is ejected.
[L. ejectio, from ejicio, to cast out]

ejection

forcible expulsion through a narrow orifice.

ejection fraction
of the cardiac stroke volume equals the ratio of the stroke volume to the end-diastolic volume.
milk ejection
see letdown.
ventricular ejection time
that part of the cardiac ventricular contraction time when blood is actually discharged through the semilunar valves.
References in periodicals archive ?
Because there are no external rails or guides for the ejector to move on, the Rear Eject Bodies provide enhanced ease of loading and increased capacity.
The Eject Helmet Removal System is a technology advancement that takes safety to the next level in motocross, much like the introduction of neck braces to the sport in recent years," said Bill Best, vice president of product development for Shock Doctor.
In the average planetary system, such forces may move a Jupiter-or Saturn-like body into a highly elliptical or hyperbolic orbit, or perhaps eject the planet altogether.
Researchers speculate that such an orbit enables the sun to heat the icy body at a more constant rate, making it less likely that the comet would explosively eject as much gas and dust as Halley during its closest approach.
24, from the Lockheed Martin F-22 Raptor using the EDO-developed AMRAAM Vertical Eject Launcher (AVEL), which incorporates EDO's state-of-the-art pneumatic technology.
These explosions, distinguishable from Type II supernovas by their pattern of light emission, eject a more iron-rich gas, Wyse says.
My concern is the direction in which my rifle ejects the fired brass.
Researchers found the disk around a rapidly rotating neutron star, the dense core left behind when a star 8 to 20 times as massive as the sun collapses under its own weight and explosively ejects its outer layers.