Main Entry:

¹suc·tion

Pronunciation:

\ˈsək-shən\

Function:

noun

Etymology:

Late Latin suction-, suctio, from Latin sugere to suck — more at suck

Date:

1626

1: the act or process of sucking2 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 exerted3: a device (as a pipe or fitting) used in a machine that operates by suction

— suc·tion·al \-shə-n^əl, -shnəl\ adjective