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semicentennial

semicentennial

9.5
The 50th anniversary of an event and its celebration
  • noun
  • /ˌsɛmɪsɛnˈtɛnɪəl/
  • US
translation icon : semicentenario
  • The university will host a gala in honor of its semicentennial this year.

Examples

  • They unveiled a commemorative plaque to mark the company’s semicentennial milestone.

  • The city’s semicentennial celebrations attracted visitors from across the country.

  • The school celebrated its semicentennial last year.

  • Are you planning for the semicentennial event?

  • The town held a big parade to celebrate its semicentennial, marking 50 years of history.

  • In 2025, the museum will have a special exhibition for its semicentennial anniversary.

  • The semicentennial celebrations included fireworks, music, and a community feast.

Synonyms

semicentenary
vssemicentennial
  • UK
9.8

The 50th anniversary of an event or its celebration

has identical meaning but uses the word form rather than a numeral

Surface Forms

Morphology

semicentennial = centennial (transparent) = semi + centennial

The meaning is directly built from 'semi-' meaning half and 'centennial' meaning a hundredth anniversary, yielding the fiftieth anniversary.

Etymology

Semicentennial is made of semi- 'half' and centennial '100th anniversary', so a semicentennial is the fifty-year celebration, half of a hundred years.