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triannual

[ trahy-an-yoo-uhl ]

adjective

  1. done, occurring, issued, etc., three times a year.

noun

  1. a triannual publication, contest, etc.

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Other Words From

  • tri·annu·al·ly adverb

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Word History and Origins

Origin of triannual1

First recorded in 1630–40; tri- + annual

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Triangulum Australetriapsidal

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