Tetragram

//ˈtɛ.tɹəˌɡɹæm// noun

Definitions

Noun
  1. 1
    A group of four letters.
  2. 2
    a word that is written with four letters in an alphabetic writing system wordnet
  3. 3
    In the Taixuanjing, a sequence of four lines, each of which may be unbroken, broken once, or broken twice. Each sequence is interpreted as an element of the sets of solid lines (⚊ for Heaven), once-broken lines (⚋ for Earth) and twice-broken lines (𝌀 for Man) formed by combinations of four monograms (two digrams or bigrams, in other words) in the divination of the Taixuanjing.

Etymology

From tetra- + -gram.

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