duodecennial

发音

US /ˌduːoʊdɪˈsɛnɪəl/
UK /ˌdjuːəʊdɪˈsɛnɪəl/

释义与例句

adj.
  1. 1.

    Consisting of twelve years, occurring in 12-year cycles.

    The duodecennial Chinese zodiac originated from Chinese and Indian observations of the duodecennial cycle of the Jovian orbit.

  2. 2.

    Occurring once a duodecade, occurring every 12 years.

    The concept of a duodecennial "Jupiter return" in Western astrology arose from similar concerns.

词源

From Latin duodecennium (“12-year period”) + English -al (“forming adjs”), equivalent to borrowing the unattested duodecennialis.

来源：wiktionary