catopter (English, noun)
expansion: catopter (plural catopters)
Senses:
glosses: A reflecting optical glass or instrument; a mirror.
tags: obsolete
glosses: 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.
glosses: An Ancient Greek anal dilator or speculum.
Forms:
form: catopters
tags: plural