Word.ws English Dictionary

Plural of trimester

regular plural

The plural of trimester is trimesters.

Forms of trimester

Singulartrimester /ˈtɹ(a)ɪ.mɛs.tə(ɹ)/
Pluraltrimesters
Countablecountable

Meaning of trimester

  1. noun A period of three months or about three months; (financial): quarter.
  2. noun One of the terms of an academic year in those learning institutions that divide their teaching in three roughly equal terms, each about three months long. Compare semester.

Full definition of trimester

Questions about the plural of trimester

What is the plural of trimester?
The plural of trimester is trimesters.
Is trimester countable?
Trimester is a countable noun.

Source and license

Adapted from Wiktionary: trimester (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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