- (functioning as singular) a method of cultivating plants by growing them in gravel, etc, through which water containing dissolved inorganic nutrient salts is pumped
WordReference Random House Learner's Dictionary of American English © 2026
hy•dro•pon•ics /ˌhaɪdrəˈpɑnɪks/USA pronunciation
n. [uncountable* used with a singular verb]
WordReference Random House Unabridged Dictionary of American English © 2026- Agriculturethe growing of plants by placing the roots in liquid solutions rather than in soil.
hy•dro•pon•ics
(hī′drə pon′iks),USA pronunciation n. (used with a sing. v.)
hy′dro•pon′ic, adj.
hy′dro•pon′i•cal•ly, adv.
hy•drop•o•nist
(hī drop′ə nist),USA pronunciation hy′dro•pon′i•cist, n.
- Agriculturethe cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil; soilless growth of plants. Cf. aeroculture, geoponics (def. 2).
- hydro-1 + (geo)ponics 1935–40
hy′dro•pon′i•cal•ly, adv.
Collins Concise English Dictionary © HarperCollins Publishers::
hydroponics /ˌhaɪdrəʊˈpɒnɪks/ n
'hydroponics' also found in these entries (note: many are not synonyms or translations):