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.
In the morning, up to about 11 A.M., they moved in zigzag lines towards the light; and at night they again became almost upright through apogeotropism.
From The Power of Movement in Plants by Charles Darwin
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 Charles Darwin
Afterwards they are carried upwards by apogeotropism in combination with hyponasty, and are thus enabled to scatter their seeds over a wider space.
From The Power of Movement in Plants by Charles Darwin
Nevertheless, they did not rise nearly so much at night, as when subjected to apogeotropism.
From The Power of Movement in Plants by Charles Darwin
Another and somewhat old hypocotyl was placed so as to stand at only 31o from the perpendicular, in which position apogeotropism acted on it with little force, and its course accordingly was slightly zigzag.
From The Power of Movement in Plants by Charles Darwin
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.
