Dilating: meaning, definitions and examples

physiological process

Dilating refers to the process of expanding or enlarging an opening or a cavity in a biological or physical context. In physiology, it is often associated with blood vessels, pupils, or muscles, where it helps to regulate various bodily functions such as blood flow and light exposure. Dilating can also refer to the expansion of certain materials in response to heat or pressure, making it a relevant term in both medical and physical sciences.

enlarging, expanding, widening

Examples of usage

• The physician noted the dilating pupils under bright light.

• During exercise, the blood vessels begin dilating to increase blood flow.

• The technician observed the dilating reaction of the rubber band when heated.