heliotropism
[ hee-lee-o-truh-piz-uhm, hee-lee-uh-troh-piz-uhm ]
/ ˌhi liˈɒ trəˌpɪz əm, ˌhi li əˈtroʊ pɪz əm /
noun
heliotropic tendency or growth.
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Words nearby heliotropism
heliotaxis, heliotherapy, heliotrope, heliotropic, heliotropin, heliotropism, heliotype, heliozoan, helipad, heliport, heliskiing
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for heliotropism
British Dictionary definitions for heliotropism
heliotropism
/ (ˌhiːlɪˈɒtrəˌpɪzəm) /
noun
the growth of plants or plant parts (esp flowers) in response to the stimulus of sunlight, so that they turn to face the sun
Derived forms of heliotropism
heliotropic (ˌhiːlɪəʊˈtrɒpɪk), adjectiveheliotropically, 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 heliotropism
heliotropism
[ hē′lē-ŏt′rə-pĭz′əm ]
The growth or movement of a fixed organism, especially a plant, toward or away from sunlight. Heliotropism can be easily seen in sunflowers, which slowly turn their large flowers so that they continually face the sun.
Other words from heliotropism
heliotropic adjective (hēl′lē-ə-trō′pĭk, -trŏp′ĭk)The American Heritage® Science Dictionary
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