[trahy-sen-ten-ee-uh l]


pertaining to 300 years or a period of 300 years.
marking the completion of such a period: a tricentennial celebration.


a 300th anniversary or its celebration.

Nearby words

  1. tricarboxylic,
  2. tricarboxylic acid cycle,
  3. tricarpellary,
  4. trice,
  5. tricentenary,
  6. tricep,
  7. triceps,
  8. triceps reflex,
  9. triceps surae reflex,
  10. triceratops

Also tercentenary, tercentennial.

Origin of tricentennial

First recorded in 1880–85; tri- + centennial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019