n13584918
| type | n |
| lex_filenum | 23 |
| def | a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters |
| def | used by oculists |
| Outgoing links | |
| Hypernym | unit of measurement, unit |
| Incoming links | |
| Hyponym | unit of measurement, unit |
Click for the XML entry