apogeotropism
Americannoun
noun
Other Word Forms
Etymology
Origin of apogeotropism
First recorded in 1875–80; apo- + geotropism
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.
Some other agency, however, besides apogeotropism, must come into play, either directly or indirectly, in this upward movement.
From The Power of Movement in Plants by Darwin, Charles
We here see that during the whole of the second day of 15 ½ h., the stem plainly circumnutated whilst bending upwards through apogeotropism.
From The Power of Movement in Plants by Darwin, Charles
Except when already standing vertically upwards, both legs of the arch are acted on from the earliest period by apogeotropism.
From The Power of Movement in Plants by Darwin, Charles
As this upward movement occurred with plants kept in the dark and in whatever position the main peduncle was fastened, it could not have been caused by heliotropism or apogeotropism, but by hyponasty.
From The Power of Movement in Plants by Darwin, Charles
When the pod is nearly ripe, the upper part straightens itself and becomes erect; and this is due to hyponasty or apogeotropism, or both combined, and not to heliotropism, for it occurred in darkness.
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.
