nonant

发音

US

词形变化

nonants 复数 nonants

释义与例句

n.
  1. 1.

    One of the nine sections made by dividing an area with two perpendicular sets of two parallel lines.

  2. 2.

    One ninth of a circle or disc; a sector with an angle of 40°.

    数学
  3. 3.

    A theoretical measuring device with a graduated arc of 40° used in locating an altitude.

    航海 交通

词源

Borrowed from Latin nōnum, accusative singular of nōnus (“ninth part of something, ninth”), with -ant from similar Latin words such as octans.

来源：wiktionary