Diaheliotropism
Nuttall's Standard Dictionary of the English Language · 1890 · p. 57
di-a-he-le-ot -rop-izm, s. tendency to lie at right angles to the light (Bot.) (Gr. helios, the sun, and trepo, to turn.)
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
Chandler's Encyclopedia (1898)
An Illustrated Encyclopedic Medical Dictionary (1892)
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