Meaning of the word protrusion in English

What does protrusion mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

protrusion

US /prəˈtruː.ʒən/
UK /prəˈtruː.ʒən/

Noun

1.

something that sticks out from a surface, or the act of doing this:

Example:
It has a series of protrusions along its back.
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