TRIGONAL


Meaning of TRIGONAL in English

adj.1 triangular; of or relating to a triangle.

2 Biol. triangular in cross-section.

3 (of a crystal etc.) having an axis with threefold symmetry.

Derivatives:

trigonally adv.

Etymology: med.L trigonalis (as TRIGON)

Oxford English vocab.      Оксфордский английский словарь.