tricentennial

[ trahy-sen-ten-ee-uhl ]

/ ˌtraɪ sɛnˈtɛn i əl /

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adjective

pertaining to 300 years or a period of 300 years.

marking the completion of such a period: a tricentennial celebration.

noun

a 300th anniversary or its celebration.

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Also tercentenary, tercentennial.

Origin of tricentennial

First recorded in 1880–85; tri- + centennial

Words nearby tricentennial

tricarboxylic, tricarboxylic acid cycle, tricarpellary, trice, tricentenary, tricentennial, tricep, triceps, triceps reflex, triceps surae reflex, triceratops