- Also a·tro·phi·a [uh–troh-fee-uh] /əˈtroʊ fi ə/. Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- degeneration, decline, or decrease, as from disuse: He argued that there was a progressive atrophy of freedom and independence of thought.
verb (used with or without object), at·ro·phied, at·ro·phy·ing.
- to affect with or undergo atrophy.
noun plural -phies
- a wasting away of an organ or part, or a failure to grow to normal size as the result of disease, faulty nutrition, etc
- any degeneration or diminution, esp through lack of use
verb -phies, -phying or -phied
- to waste away or cause to waste away
1819; see+ .
“a wasting away through lack of nourishment,” 1620s (atrophied is from 1590s), from French atrophie, from Late Latin atrophia, from Greek atrophia “a wasting away,” noun of state from atrophos “ill-fed, un-nourished,” from a- “not” + trophe “nourishment,” from trephein “to fatten” (see ).
1822 (implied in atrophied), from (n.). Related: Atrophying.
- A wasting or decrease in the size of an organ or tissue, as from death and reabsorption of cells, diminished cellular proliferation, pressure, ischemia, malnutrition, decreased function, or hormonal changes.atrophia
- To undergo atrophy.
- A wasting or decrease in the size of an organ or tissue, as from death and reabsorption of cells, diminished proliferation of cells, pressure, lack of oxygen, malnutrition, decreased function, or hormonal changes.
The wasting away or decrease in size of anor tissue in the body. When a body part is affected by , the muscles may atrophy through lack of use.