apheliotropism

apheliotropism

[uh-fee-lee-o-truh-piz-uhm, ap-hee-lee-]
noun
apheliotropic tendency or type of growth.

Origin:
1875–80; apheliotrop(ic) + -ism

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World English Dictionary
apheliotropic (æpˌhiːlɪəˈtrɒpɪk, əˌfiː-)
 
adj
biology growing in a direction away from the sunlight
 
[C19: see apo-, heliotropic]
 
apheliotropism
 
n

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