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Origin of tropism
OTHER WORDS FROM tropismtro·pis·mat·ic [troh-piz-mat-ik], /ˌtroʊ pɪzˈmæt ɪk/, adjectivetro·pis·tic [troh-pis-tik], /troʊˈpɪs tɪk/, adjective
Definition for tropism (2 of 2)
WORDS THAT USE -TROPISM
What does -tropism mean?
These endings variously denote “turning, changing, reacting, responding.” Learn more about -tropic and -tropous at our Words That Use articles for the forms.
Where does -tropism come from?
The form -tropism comes from the Greek trópos, “turn,” and tropḗ, “a turning,” combined with -ism, a prolific suffix also derived from Greek that commonly indicates “action, practice, state, condition.”
The biology term tropism, “an orientation of an organism to an external stimulus, as light, especially by growth rather than by movement,” is an independent use of the combining form –tropism.
Examples of -tropism
One example of a biological term that features –tropism is chemotropism, meaning “oriented growth or movement, especially of a plant, in response to a chemical stimulus.”
The first portion of the word, chemo-, means “chemical.” The second portion of the word, –tropism, indicates “turned toward.” Chemotropism literally translates to “turned towards a chemical.”
What are some words that use the combining form -tropism?
What are some other forms that -tropism may be commonly confused with?
Example sentences from the Web for tropism
In those two books, the existential shows itself gradually—breast cancer in the first, a physiological tropism in the second.Joshua Ferris’s New Novel Chronicles an Existential Dentist in Despair|Tom LeClair|May 6, 2014|DAILY BEAST
Still, Cuccinelli has shown his own tropism toward the kindness of strangers.The It Factor in Virginia’s Governor’s Race: Modernity|Lloyd Green|July 29, 2013|DAILY BEAST
This may be a tropism (stereotropism) or it may be a mere surface tension phenomenon.The Organism as a Whole|Jacques Loeb
It's the same old disregard, or it's the same old psycho-tropism, or process of assimilation.
We shall in the succeeding series of papers deal with the subject of tropism in general.Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
The workers, on the other hand, who have to be in and out of the nest about their business, do not have this tropism.Natural Wonders|Edwin Tenney Brewster
Nevertheless this is the psycho-tropism of science to all "thunderstones" said to have fallen luminously.