[ih-jek-shuh n] /ɪˈdʒɛk ʃən/
an act or instance of .
the state of being .
something , as lava.
1560s, from Middle French ejection and directly from Latin ejectionem, noun of action from past participle stem of ejicere (see eject). The jet pilot’s ejection seat (also ejector seat) is from 1945.
ejection e·jec·tion (ĭ-jěk’shən)
noun 1. a cockpit designed to be ejected from an aircraft in an emergency and usually fitted with survival equipment.
- Ejection fraction
ejection fraction n. The blood present in the ventricle at the end of diastole and expelled during the contraction of the heart.
- Ejection murmur
ejection murmur n. A systolic murmur ending before the second heart sound and produced by the ejection of blood into the aorta or pulmonary artery.
- Ejection period
ejection period n. See sphygmic interval.