suction

Meanings

1. 1
   noun

   the process or force by which reduced pressure draws in a fluid or makes surfaces adhere

   The cup attaches to the glass by suction.

2. 2
   noun

   the act of sucking or drawing something in

   The infant's suction became stronger during feeding.

3. 3
   verb

   to remove fluid or other material from an area by applying suction

   The surgeon used a narrow tube to suction blood from the site.

From Late Latin suctio ("a sucking"), from Latin sugere ("to suck"). English first used the word for the act of sucking and later for the pressure difference and mechanical force associated with it.

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