Word.ws English Dictionary

trigonal

UK/ˈtrɪɡənəl/

trigonal adjective: having three angles and three sides, triangular.

Adjective

trigonal (comparative more trigonal, superlative most trigonal)

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

Forms of trigonal

comparativemore trigonal
superlativemost trigonal

Origin of trigonal

From Latin trigōnālis (“triangular”), equivalent to trigon + -al.

Words formed from trigonal

Questions about trigonal

What does trigonal mean?
Trigonal means having three angles and three sides, triangular.
What part of speech is trigonal?
Trigonal is an adjective.
How do you pronounce trigonal?
Trigonal is pronounced /ˈtrɪɡənəl/ (UK).

Words near trigonal in the dictionary

  1. trigofoenoside
  2. trigold
  3. trigometric
  4. trigon
  5. trigona
  6. trigonal
  7. trigonalid
  8. trigonalids
  9. trigonally
  10. trigone
  11. trigonectomy

Source and license

Adapted from Wiktionary: trigonal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “trigonal.” Word.ws, https://word.ws/trigonal. Based on Wiktionary, CC BY-SA 4.0.