ejection

(redirected from ejections)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

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 ?
A coronal mass ejection (CME) is a massive burst of solar wind and magnetic fields rising above the solar corona or being released into space.
Egg ejection appears to be the most effective and efficient defense against parasitism (Rothstein 1975a, Peer et al.
These ejections carry billions of tons of plasma into space at thousands of miles per hour.
By the end of the war, Luftwaffe Aviation Medicine branch counted over 60 successful ejections.
Each STEREO craft has five telescopes that can view a coronal mass ejection at various points along its path.
Knowledge of the solar wind tells us how quickly coronal mass ejections reach us, [which in turn] helps us to better forecast geomagnetic storms," Mikic notes.
Current ejection force equations are insufficient to apply to SL molds (e.
Successful and failed ejections for both model and real blue eggs.
After the game, Felix credited Corona del Mar for the way they played, but insinuated that he was annoyed by the large difference in ejections called against Harvard-Westlake (22) to Corona del Mar (6).
Technology is vulnerable to massive solar flares because coronal mass ejections that strike Earth can cause rapid fluctuations in our planet's magnetic field, which in turn can induce huge electrical currents in long metal objects.
Backman has received five ejections - three at the hands of Alexander and Morris - and has rarely gone quietly.