TRIGONAL

rhombohedral, trigonal

(adjective) having threefold symmetry

Source: WordNet® 3.1


Etymology

Adjective

trigonal (comparative more trigonal, superlative most trigonal)

Triangular.

(crystallography) Of or pertaining to a crystal system with three equal and equally inclined but not perpendicular axes.

(anatomy) Relating to the trigone

Source: Wiktionary


Trig"o*nal, a.

Definition: Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

30 January 2025

HYPERICISM

(noun) a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John’s wort


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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