catopter

名词 n.
中文释义

英文释义

名词 n.
  1. A reflecting optical glass or instrument; a mirror. obsolete
    — My Cat whose black fur was so glossy and fine Her use of Catharon one well could divine. Almost indeed a Cat'''opter she showed.
  2. A unit of measure of the converging power of a curved mirror, equal to the reciprocal of the focal length in meters; a diopter applied to a curved reflective surface as opposed to a lens.
    — This focus divided into 40", gives the catopters.
  3. An Ancient Greek anal dilator or speculum.
    — Hippocrates (B.C. 432) described an instrument, the catopter, which was undoubtedly used as an anal speculum,

词形变化

catopters plural

词汇关系

近义词
catoptron

词源

Ancient Greek κάτοπτρον (kátoptron, “mirror”).
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