DIAHELIOTROPISM

An Illustrated Encyclopedic Medical Dictionary · 1892 · p. 25

n. Di-as-hel-i2-o2t'ro2p-i2z1m. From 8ta, acro , rjAios, the sun, and rpiireiv, to turn. The tendency of plants growing under the influence of light to take a course transverse to the direction of the light, fa, 24.] [s. 548]