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sesquiannual

adj

Etymology

From sesqui- + annual.

  1. derived from annālis
  2. borrowed from annuālem
  3. prefixed as sesquiannual — “sesqui + annual”

Definitions

  1. Occurring once every one and a half years (i.e. once every 18 months).

    • 1979, R. E. Meyer, Sesquiannual Report – April 1977-September 1978, Fossil Energy Division/DOE (DOE/W-7405-eng–26-1; cited in Surface Phenomena in Enhanced Oil Recovery (2013, →ISBN, page 718)
    • 1990, Sesquiannual Meeting of the American Society for Rickettsiology and Rickettsial Diseases; 8 (the society holds meetings roughly every 1.5 years, e.g. September 1989, May 1991, and September 1992)

The neighborhood

Vish — recursive loop

No curated loop yet for sesquiannual. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA