semicentennial

English

Etymology

From semi- (“half”) +‎ centennial (“100 year, 100th anniversary”), q.v.

Pronunciation

• (General American) IPA^(key): /ˌsɛˌmaɪsnˈtɛniəl/, /ˌsɛmisnˈtɛniəl/, /ˌsɛˌmaɪsənˈtɛniəl/, /ˌsɛmisənˈtɛniəl/
• (Received Pronunciation) IPA^(key): /ˌsɛmɪsɛnˈtɛnɪəl/

Adjective

semicentennial (not comparable)

1. Of or related to a 50th anniversary, occurring every 50 years.

Translations

occurring every 50 years

Italian: semisecolare (uncommon)

Noun

semicentennial (plural semicentennials)

1. A 50th anniversary.

   The city celebrated its semicentennial last year.

Synonyms

• semicentenary, jubilee, golden anniversary; golden jubilee (50th anniversary of a coronation); golden wedding (50th anniversary of a marriage)

References

• “semi-, prefix”, in OED Online ⁠, Oxford: Oxford University Press, 2022.