The Collaborative International Dictionary
Diaheliotropic
Diaheliotropic \Di`a*he`li*o*trop"ic\, a. [Gr. ? through, at variance + ? sun + ? turning.] (Bot.) Relating or, or manifesting, diaheliotropism.
Wiktionary
diaheliotropic
a. (context botany English) Relating or, or manifesting, diaheliotropism.
Usage examples of "diaheliotropic".
We see something analogous in the case of sleeping leaves or cotyledons, which after oscillating up and down during the whole day, rise into a vertical position late in the evening, and on the following morning sink down again into their horizontal or diaheliotropic position, in direct opposition to heliotropism.