trigonal
1 synonym for trigonal, grouped by meaning and by how common each one is.
Adj — Shaped like a triangle, with three sides and three angles.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
rhombohedral
Etymology
This word comes from Latin trigōnālis (“triangular”), and can equally be analysed as trigon plus -al.
Full origin of trigonal →