exsertion
/ɛkˈsɜrʃən/
noun
- The act of thrusting out or protruding; the state of being extended outward.
- The exsertion of the cat's claws happens when it feels threatened.
- The exsertion of the plant's roots above ground was a sign of poor soil conditions.
- Biologists studied the exsertion of the butterfly's proboscis during feeding.
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