sesquicentennial

1. 1.

   the 150th anniversary (or the celebration of it)

   Broaderanniversary

Other forms of sesquicentennial

plural

sesquicentennials·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about sesquicentennial

What does sesquicentennial mean?

sesquicentennial means "the 150th anniversary (or the celebration of it)".

How many syllables are in sesquicentennial?

sesquicentennial has 6 syllables and divides as se-squi-cen-ten-ni-al under the regular spelling rules. It is not in the CMU Pronouncing Dictionary, so that comes from how the word is written rather than from a recorded pronunciation, and no stress or phonetic transcription is claimed for it.