Gray atrophy refers to a condition in which an organ or tissue degenerates and loses its function, resulting in a grayish appearance. There are several synonyms for gray atrophy, including: 1. Gray degeneration: This synonym refers to the process of decay and damage that leads to the grayish appearance of the affected tissue or organ. 2. Gray wasting: Refers to the progressive loss of tissue mass and function, resulting in the grayish appearance of the organ or tissue. 3. Graying tissue: This synonym is commonly used in reference to the loss of pigmentation in affected tissue and its resulting grayish appearance. 4. Gray necrosis: Refers to the death of tissue or organ cells due to disease or injury that results in a grayish coloration.