WordReference Random House Unabridged Dictionary of American English © 2019
aer•o•cul•ture  (ârə kul′chər),USA pronunciation n. [Agric.]
  1. Botany, Agriculturea method of growing plants without soil by suspending them above sprays that constantly moisten the roots with water and nutrients. Cf. geoponics, hydroponics.
  • aero- + (agri)culture

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