trimillennial

词形变化

trimillennials 复数 trimillennials

释义与例句

n.
  1. 1.

    The 3,000th anniversary of an event or happening.

adj.
  1. 1.

    Occurring every three thousand years

词源

From Latin trimillennialis, from tri- + mill- (“thousand”) + Latin enni(us) (“year”) + -al.

来源：wiktionary