trigram

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trigram

Wikipedia

From tri- +‎ -gram, literally “three marks”.

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trigram (plural trigrams)

1. (linguistics) A trigraph, a sequence of three letters representing one phoneme.
2. (computational linguistics) An n-gram consisting of three items from a sequence.

   Coordinate term: (two items) bigram

   • 1974, Edward C. Carterette, Margaret Hubbard Jones, Informal Speech: Alphabetic & Phonemic Texts with Statistical Analyses and Tables, University of California Press, →ISBN, page 44:

     In fact, half of all such words for this corpus are initiated by only 39 different trigrams!

3. (divination) Any of the eight combinations of three complete or broken lines forming half of a hexagram in Chinese system of divination I Ching.

   Hyponyms: inner trigram, outer trigram

   Holonyms: hexagram, tetragram

• ☰, ☱, ☲, ☳, ☴, ☵, ☶, ☷