Pronunciation

change

Singular
suction

Plural
suctions

 
A suction (sense 2)
  1. (uncountable) (physics) Suction is a force which pushes matter from one space into another due to the pressure difference in pressure between the two spaces
  2. (countable) (dentistry) A suction is a device that removes saliva from a patient's mouth during dental operations.

Plain form
suction

Third-person singular
suctions

Past tense
suctioned

Past participle
suctioned

Present participle
suctioning

  1. (transitive) If you suction something, you remove it using suction.