DICT.TW Dictionary Taiwan
3.12.153.19
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 di·op·ter /daɪˈɑptɚ/
 屈光度

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 di·op·ter /daɪˈɑptɚ, ˈdaɪˌɑp-/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Di·op·ter Di·op·tra n.  An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
 ◄ ►

From: WordNet (r) 2.0

 diopter
      n : a unit of measurement of the refractive power of a lens
          which is equal to the reciprocal of the focal length
          measured in meters