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hypogeal

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adjective hy·po·ge·al \ˌhī-pə-ˈjē-əl\
variants: or

hypogean

play \ˌhī-pə-ˈjē-ən\ or

hypogeous

play \ˌhī-pə-ˈjē-əs\

Definition of hypogeal

  1. 1 :  growing or living below the surface of the ground

  2. 2 of a cotyledon :  remaining below the ground while the epicotyl elongates

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Origin and Etymology of hypogeal

Late Latin hypogeus subterranean, from Greek hypogaios, from hypo- + gaia earth

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