suction

«suction» in Mova's school dictionary: The pulling force made when air or liquid is removed from… — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

part of speech

noun (suction — uncountable)

meaning for a pupil

The pulling force made when air or liquid is removed from a space, so things are pulled in or held on: "A vacuum cleaner works by suction." tree →

sense in the lessons

In science lessons, suction is explained by air pressure: when air is taken out, the air outside pushes in. Examples are drinking through a straw, suction cups, and vacuum cleaners. In nature, octopus arms have suckers that grip by suction. Phrases: suction cup, suction pad, by suction.

examples

• A vacuum cleaner picks up dust by suction. tree →
• The suction cup holds the hook on the window. tree →
• An octopus grips rocks with suction. tree →
• You use suction when you drink through a straw. tree →
• The dentist used a suction tube to remove the water. tree →
• A plunger unblocks a sink by suction. tree →

note

Uncountable. Science note: suction is not really "pulling"; when air is removed, the higher air pressure outside pushes things in or holds them on. Safety: the drain in a pool can have strong suction; keep hair away from it.

In the corpora

• Keep hair, fingers and toys away from pool drains and outlets, because strong suction can hold you under.

Trees and pragmatics

Every meaning and example of «suction» parsed by Mova, each sentence with its dependency tree and frames.