1. the act of thrusting out or protruding; the state of being thrust out or extended beyond a surface
Usage: formal; technical

Examples

• The exsertion of the insect's antennae allowed it to sense its surroundings.
• The exsertion of the plant's roots through the soil was visible after the rain.
• In anatomy, the exsertion of certain organs is a normal physiological process.
• The exsertion of the telescope's lens made it longer and more powerful.
• Marine biologists studied the exsertion of the sea creature's tentacles.