atrophy
n.n. the process of a part of the body or a skill becoming weaker or smaller because it is not used. It can also describe a part of a plant or animal dying because it is not needed anymore.
n. the wasting away or loss of function in a part of the body or a specific skill due to disuse or lack of stimulation. In a biological context, it refers to the reduction in size or function of an organ or tissue.
The muscle atrophy is a common side effect of long periods of bed rest.
After months of not playing the piano, he noticed significant atrophy in his fingers and had to relearn the basics.
The study examined how cognitive atrophy progresses in patients with early-stage dementia, focusing on the decline of memory and executive function over a five-year period.
Borrowed from French atrophie, from Latin atrophia, from Ancient Greek ἀτροφία (atrophía, “a wasting away”), from ἄτροφος (átrophos, “ill-fed, un-nourished”), from ἀ- (a-, “not”) + τροφή (trophḗ, “nourishment”), from τρέφω (tréphō, “I fatten”). Equivalent to a- + -trophy.