1620s, "act or process of sucking," from Late Latin suctionem (nominative suctio), noun of action from past participle stem of Latin sugere "to suck" (see sup (v.2)). As "action produced by a vacuum" from 1650s.
the doctors had to suction the water from the patient's lungs
suction the uterus in an abortion
suckle
suckling
sucre
sucro-
sucrose
suction
suctorial
Sudan
sudarium
sudatorium
sudden
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