DictionaryaerationIntroducing air
noun

aeration

air-AY-shun/eˈreɪʃn/

The process of introducing air into a substance.

Bubbles rising from the submerged stone provide aeration for the tank water.

A small external air pump feeds a hose into a transparent water tank, where a submerged air stone releases a clearly visible plume of bubbles into the water.
Etymology

The air root and process ending name an operation involving air. Originally the act of exposing something to air, aeration also denotes adding air to a substance or space.

In context

Epicurious4:25
Very gentle, no bubbles. When you're making bubbles, that means you're making aeration.
11 Bartenders Make a Martini (Classic, Speed, Tiki & More) | Epicurious

More examples

  • The aquarium pump provides steady aeration.
  • Whipping increases aeration and lightens the cream.
  • The treatment plant uses aeration to support oxygen-using microbes.

Forms

aerate verb — To introduce air or gas into something.

Similar words

oxygenation
Specifically supplies oxygen, rather than air more generally.
ventilation
Moves air through a space rather than into a substance.