1. The act of driving or throwing out by physical force from within. 2. That which is ejected. SYN: ejecta. [L. ejectio, from ejicio, to cast out]
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ejec·tion (e-jekґshən) [L. ejectus, past part. of ejicere to cast out] 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; see discharge (def. 3). 3. the discharge of blood from the heart; see under period.Medical dictionary. 2011.