apogeotropism

[ ap-uh-jee-o-truh-piz-uh m ]

/ ˌæp ə dʒiˈɒ trəˌpɪz əm /

noun Biology.

growth or orientation away from the earth; negative geotropism.

Nearby words

apodyterium, apoenzyme, apoferritin, apogamy, apogee, apogeotropism, apograph, apographic, apokatastasis, apolipoprotein, apolitical

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. 2019

British Dictionary definitions for apogeotropism

apogeotropism

/ (ˌæpədʒɪˈɒtrəˌpɪzəm) /

noun

negative geotropism, as shown by plant stems

Derived Formsapogeotropic (ˌæpəˌdʒɪəˈtrɒpɪk), adjective

Word Origin for apogeotropism

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