aggregate

/ˈa-gri-gət/

Middle English aggregat, borrowed from Latin aggregātus, past participle of aggregāre "to cause to flock together, join, include, lump together," from ad- ad--gregāre, verbal derivative of greg-, grex "flock, herd, group"

adjective

  1. formed by the collection of units or particles into a body, mass, or amount : collective: such as

  2. clustered in a dense mass or head

  3. formed from several separate ovaries of a single flower

verb

  1. to collect or gather into a mass or whole

  2. to amount to (a whole sum or total) : total

The census data were aggregated by gender.

noun

  1. a mass or body of units or parts somewhat loosely associated with one another

  2. the whole sum or amount : sum, total

  3. a rock composed of mineral crystals of one or more kinds or of mineral rock fragments : an aggregate rock

Froth is an aggregate of tiny bubbles.