aerate
verb (used with object)
to expose to the action or effect of air or to cause air to circulate through.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
At this point you will have created a living thing, a starter that is aerating as the bacteria within it compete for nutrients - the fermentation process has begun.
From The Guardian ● Mar. 13, 2019