reentrant angle(redirected from re-entrant angle)
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Related to re-entrant angle: salient angle
reentrant angle[rē′en·trənt ‚aŋ·gəl]
The angle between two plane surfaces on a crystalline solid, in which the external angle is less than 180°.
An interior angle of a polygon that is greater than 180°.
An internal angle usually less than 90°.