quintant

n. 五分仪

词形变化

quintants 复数 quintants

释义与例句

n.
  1. 1.

    An instrument used for measuring angular distance, capable of measuring angles of up to 72 or 144 degrees.

    历史
  2. 2.

    A fifth of a circle.

    罕用

词源

Borrowed from Latin quintantem, accusative singular of quīntāns (“fifth part of something, fifth”).

来源:wiktionary