heliotropism

noun
he·​li·​ot·​ro·​pism | \ ˌhē-lē-ˈä-trə-ˌpi-zəm How to pronounce heliotropism (audio) \

Definition of heliotropism

: phototropism in which sunlight is the orienting stimulus

Other Words from heliotropism

heliotropic \ ˌhē-​lē-​ə-​ˈtrō-​pik How to pronounce heliotropic (audio) , -​ˈträ-​ \ adjective

First Known Use of heliotropism

circa 1854, in the meaning defined above

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More Definitions for heliotropism

heliotropism

noun
he·​li·​ot·​ro·​pism | \ ˌhē-lē-ˈä-trə-ˌpiz-əm How to pronounce heliotropism (audio) \

Medical Definition of heliotropism

: phototropism in which sunlight is the orienting stimulus

Other Words from heliotropism

heliotropic \ -​lē-​ə-​ˈtrōp-​ik How to pronounce heliotropic (audio) , -​ˈträp-​ How to pronounce heliotropic (audio) \ adjective