quintant

名词 n.
中文释义

英文释义

名词 n.
  1. An instrument used for measuring angular distance, capable of measuring angles of up to 72 or 144 degrees. historical
    — In former days octants, quintants and quadrants were in general use. The only basic difference between these instruments and the sextant is in the length of the arc.
  2. A fifth of a circle. rare
    — Sectors are particularly denominated from the proportional part of the circle they contain; thus, a quadrant contains a 4th part of the circle; a quintant, the 5th part; a sextant, the 6th part; an octant, the 8th part; &c.

词形变化

quintants plural

词汇关系

相关词
octant quadrant sextant

词源

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