tetragraph

English

Etymology

tetra- +‎ -graph

Noun

tetragraph (plural tetragraphs)

1. A group of four letters.
2. a sequence of four lines, each of which may be unbroken, broken once, or broken twice (especially as used in the divination of the Taixuanjing.

Related terms

• digraph
• trigraph
• pentagraph
• hexagraph
• heptagraph
• octagraph
• monophthong
• diphthong
• triphthong
• ligature