| Information | |
|---|---|
| has URI | http://lexvo.org/id/term/jpn/%E3%83%87%E3%82%A3%E3%82%AA%E3%83%97%E3%83%88%E3%83%AA |
| Meaning | |
|---|---|
| means | (noun) a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists diopter, dioptre |
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