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geotropism
[ jee-o-truh-piz-uhm ]
/ dʒiˈɒ trəˌpɪz əm /
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noun Biology.
oriented growth with respect to the force of gravity.
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Words nearby geotropism
geothermal, geothermal energy, geothermal gradient, geothermal power, geotropic, geotropism, Ge-Pano-Carib, ger., Gera, gerah, Geraint
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How to use geotropism in a sentence
British Dictionary definitions for geotropism
geotropism
/ (dʒɪˈɒtrəˌpɪzəm) /
noun
the response of a plant part to the stimulus of gravity. Plant stems, which grow upwards irrespective of the position in which they are placed, show negative geotropism
Derived forms of geotropism
geotropic (ˌdʒiːəʊˈtrɒpɪk), adjectivegeotropically, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for geotropism
geotropism
[ jē-ŏt′rə-pĭz′əm ]
The directional growth of an organism in response to gravity. Roots display positive geotropism when they grow downwards, while shoots display negative geotropism when they grow upwards. Also called gravitropism
Other words from geotropism
geotropic adjective (jē′ə-trō′pĭk, jē′ə-trŏp′ĭk)The American Heritage® Science Dictionary
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