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equiangular

adjective equi·an·gu·lar \ ˌē-kwi-ˈaŋ-gyə-lər , ˌe-kwi- \
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Definition of equiangular

: having all or corresponding angles equal
  • mutually equiangular parallelograms

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First Known Use of equiangular

1660

in the meaning defined above

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