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.
- tricarboxylic acid cycle,
- triceps reflex,
- triceps surae reflex,
Also tercentenary, tercentennial.
Origin of tricentennial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019