trigonal

About 0.23 uses per million words.

Meaning

1. adjective Having three angles and three sides, triangular.
2. adjective Of or pertaining to a crystal system with three equal and equally inclined but not perpendicular axes.
3. adjective Relating to the trigone

Similar words

symmetrical symmetric rhombohedral bipyramid bipyramidal trisoctahedron trapezohedron antiprism planar bipyramids

Often followed by

bipyramidal planar bipyramid prism axis symmetry prismatic pyramid system and

Word family

trigonally