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English definition of “protrusion”

protrusion

noun [C or U]     /prəˈtruː.ʒən/
something that sticks out from a surface, or the act of doing this: It has a series of protrusions along its back. The condition results in weight loss, rapid heart beat and protrusion of the eyes.Protruding and sticking out
(Definition of protrusion noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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