Meaning of SUCTION in English

SUCTION

[suc.tion] n [LL suction-, suctio, fr. L sugere to suck--more at suck] (1626) 1: the act or process of sucking

2. a: the act or process of exerting a force upon a solid, liquid, or gaseous body by reason of reduced air pressure over part of its surface b: force so exerted

3: a device (as a pipe or fitting) used in a machine that operates by suction -- suc.tion.al adj

[2]suction vt (1954): to remove (as from a body cavity or passage) by suction

Merriam-Webster English vocab.      Английский словарь Merriam Webster.