noun
- The bristling or standing up of hair on the skin, typically caused by cold, fear, or strong emotion; goosebumps.
Usage: plural form; medical/physiological term; also called pilomotor reflex or horripilation
Examples
- The horror movie gave her piloerections as she watched the scary scene.
- Piloerections are a natural response to cold temperatures.
- Fear triggered piloerections on his arms and neck.
- The sudden chill caused visible piloerections across her skin.
- Piloerections occur when tiny muscles at the base of hair follicles contract.