septendecennial

发音

/ˌsɛptəndɛˈsɛn.i.əl/

释义与例句

adj.
  1. 1.

    Occurring every seventeen years; pertaining to or designating a seventeen-year interval.

    罕用

词源

From Latin septendec(im) (“seventeen”) + -ennial, after biennial, septennial, etc. By surface analysis, septen- + decennial.

来源：wiktionary