quintant
n. 五分仪
词形变化
quintants
复数
quintants
释义与例句
n.
-
1.
An instrument used for measuring angular distance, capable of measuring angles of up to 72 or 144 degrees.
历史 -
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