The medical term for a decrease in size or wasting is?

The medical term for a decrease in size or wasting is "atrophy" or "atrophic." atrophy refers to the diminished size of cells, tissues, or organs due to disease, reduced use, malnutrition, aging, or other physiological process that cause decrease in cell size resulting in reduced volume of affected bodily structures. "Atrophy" often used to describe specific condition of tissue wastage and decline function.