tetragonal

adjective
te·trag·o·nal | \te-ˈtra-gə-nᵊl \

Definition of tetragonal 

: of, relating to, or characteristic of the tetragonal system

Other Words from tetragonal

tetragonally \te-ˈtra-gə-nᵊl-ē \ adverb

First Known Use of tetragonal

1868, in the meaning defined above

History and Etymology for tetragonal

Late Latin tetragonalis having four angles and four sides, from tetragonum quadrangle, from Greek tetragōnon, from neuter of tetragōnos tetragonal, from tetra- + gōnia angle — more at -gon

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The first known use of tetragonal was in 1868

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