catopter
Meanings
noun
- A reflecting optical glass or instrument; a mirror.
- 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.
- An Ancient Greek anal dilator or speculum.
Word forms
Etymology
Ancient Greek κάτοπτρον (kátoptron, “mirror”).
Synonyms
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