What does -trophic mean? The combining form -trophic is used like a suffix for a variety of meanings, including "having nutritional habits or requirements." In other words, the sense of -trophic specifies how an organism gets its nutrition or how it feeds. The combining form -trophic is also used as an adjective form of nouns ending with -troph or -trophy. In some cases, -trophic means "affecting the activity of, maintaining." In this sense, it is often synonymous with -tropic. The combining form -trophic is often used in scientific terms, especially in biology and anatomy. It comes from the Greek trophikós, meaning “pertaining to food.”Corresponding forms of -trophic combined to the beginning of words are tropho- and troph-. Want to know more? Read our Words That Use -troph, -trophy, tropho-, and troph- articles.
First recorded in 1870–75, trophic is from the Greek word trophikós pertaining to food. See tropho-, -ic
see origin at trophic
Trophic things have something to do with food, eating, or nutrition. You're most likely to encounter this word in an Earth science or biology textbook, where you might read about trophic webs, or interconnected food chains. Many important ideas in the study of ecology, or the science of how organisms relate to their environment and each other, have some connection to trophic subjects. One example is a "trophic cascade," an upset in the food chain that happens when large numbers of predators are removed. Trophic has a Greek root, trophe, "nourishment or food."
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The wolves’ return and predatory dominance was believed to have had a widespread effect known as a trophic cascade, by decreasing grazing and restoring and expanding forests, grasses and other wildlife.
From New York Times • Apr. 23, 2024
"Dogs can contribute to the extinction of vertebrate species, can imbalance the trophic dynamics amongst predator guilds and even have the potential to collapse entire ecological communities," he continues.
From Science Daily • Apr. 17, 2024
Species in the study all occupied high and similar trophic levels and consumed a mixture of cephalopods and fishes.
From Science Daily • Feb. 21, 2024
In the past, jellyfish were considered a trophic dead end in marine food webs, but recent studies suggest that they are an important prey for marine invertebrates and fish.
From Science Daily • Feb. 14, 2024
Nervous people are, most occupied with those parts of the brain which have something to do with the omission and transmission of trophic influence to particular parts of the body.
From Psychotherapy by Walsh, James J. (James Joseph)
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.
