apheliotropic
Americanadjective
adjective
Other Word Forms
Derived Forms
Etymology
Origin of apheliotropic
First recorded in 1875–80; ap- 2 + heliotropic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Of the 54 cauterised radicles one case was doubtful, 25 curved themselves from the light in the normal manner, and 28, or more than half, were not in the least apheliotropic.
From The Power of Movement in Plants by Darwin, Charles
It appears, therefore, that light does not determine the growth of apheliotropic parts in any uniform manner.
From The Power of Movement in Plants by Darwin, Charles
Some tendrils which consist of modified leaves—organs in all ordinary cases strongly diaheliotropic—have been rendered apheliotropic, and their tips crawl into any dark crevice.
From The Power of Movement in Plants by Darwin, Charles
The radicles of Sinapis alba, when immersed in water and exposed to a lateral light, bend from it, or are apheliotropic.
From The Power of Movement in Plants by Darwin, Charles
This is the case with the radicles of Sinapis alba, which are plainly apheliotropic; nevertheless, they grow quicker in darkness than in light.*
From The Power of Movement in Plants by Darwin, Charles
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.