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屈光度
qū​guāng​dù

diopter

Definitions Defs Origin Strokes Stroke Words Sentences Sents
屈光度 qū​guāng​dù
diopter
A unit of measurement for the optical power of a lens or curved mirror, equal to the reciprocal of the focal length in meters.

Frequency

Movie subtitles
0.060 per million appears in 0% of films
Written text
0.671 per million

Sources

Frequency data
SUBTLEX-CHBCC Corpus (BLCU)