noun suc·tion \ˈsək-shən\

: the act or process of removing the air, water, etc., from a space in order to pull something into that space or in order to cause something to stick to a surface; also : the force with which the air, water, etc., in a space is removed

Full Definition of SUCTION

:  the act or process of sucking
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
:  a device (as a pipe or fitting) used in a machine that operates by suction
suc·tion·al \-shə-nəl, -shnəl\ adjective

Examples of SUCTION

  1. The vacuum cleaner picks up dirt by suction.
  2. The octopus grasps things using suction.
  3. a vacuum cleaner with enough suction to pick up the heaviest particles of dirt

Origin of SUCTION

Late Latin suction-, suctio, from Latin sugere to suck — more at suck
First Known Use: 1626

Rhymes with SUCTION


transitive verb

: to remove (something) by pulling it with the force of moving water, air, etc. : to remove (something) by using suction

Full Definition of SUCTION

:  to remove (as from a body cavity or passage) by suction

Examples of SUCTION

  1. The surgeon will suction blood out of the area.

First Known Use of SUCTION

SUCTION Defined for Kids


noun suc·tion \ˈsək-shən\

Definition of SUCTION for Kids

:  the act or process of sucking
:  the process of drawing something into a space (as in a pump) by removing air from the space
:  the force caused by suction <The vacuum cleaner has strong suction.>
July 06, 2015
categorical Hear it
absolute or relating to a category
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