See Also: trigram(medicine)
trigram(dictionary)

trigram (iou)



trigram noun. E17.
[from TRI- + -GRAM. Cf. DIGRAM, MONOGRAM.]
A group of three letters, a trigraph; Psychology a (nonsense) word of three letters used in the study of learning or memory. E17.
A three-stroke figure or character; spec. each of eight figures composed of three whole or broken parallel lines, occurring with sixty-four hexagrams in the ancient Chinese text I Ching, and traditionally used for divination. E17.
Geometry etc. A set of three lines; spec. the figure formed by three straight lines in one plane not intersecting in the same point. Also more generally, any figure composed of three elements. E17.
trigra'mmatic adjective (rare) of, pertaining to, or of the nature of a trigram E19.