trigraph

noun
tri·​graph | \ ˈtrī-ˌgraf How to pronounce trigraph (audio) \

Definition of trigraph

1 : three letters spelling a single consonant, vowel, or diphthong eau of beau is a trigraph
2 : a cluster of three successive letters the, ion, and ing are high frequency trigraphs

Other Words from trigraph

trigraphic \ (ˌ)trī-​ˈgra-​fik How to pronounce trigraphic (audio) \ adjective

First Known Use of trigraph

circa 1836, in the meaning defined at sense 1

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The first known use of trigraph was circa 1836

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Cite this Entry

“Trigraph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trigraph. Accessed 25 May. 2020.

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