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apogeotropism

[ap-uh-jee-o-truh-piz-uh m]
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noun Biology.
  1. growth or orientation away from the earth; negative geotropism.
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Origin of apogeotropism

First recorded in 1875–80; apo- + geotropism
Related formsap·o·ge·o·trop·ic [ap-uh-jee-uh-trop-ik, troh-pik] /ˌæp əˌdʒi əˈtrɒp ɪk, ˈtroʊ pɪk/, adjectiveap·o·ge·o·trop·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for apogeotropism

apogeotropism

noun
  1. negative geotropism, as shown by plant stems
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Derived Formsapogeotropic (ˌæpəˌdʒɪəˈtrɒpɪk), adjective

Word Origin

C19: from Greek apogaios away from the earth + tropos a turn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012