(a.) Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.
TRIGONAL
Meaning of TRIGONAL in English
Webster's English dictionary. Английский словарь Webster. 2012
(a.) Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.
Webster's English dictionary. Английский словарь Webster. 2012