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Hasil cari dari kata atau frase: Dioptre (0.00923 detik)
Found 1 items, similar to Dioptre.
English → English (gcide)
Definition: Dioptre
Dioptre
\Di*op"tre\, n. [F. See 2d
Dioptric.] (Optics)
A unit employed by oculists in numbering glasses according to
the metric system; a refractive power equal to that of a
glass whose principal focal distance is one meter.
[1913 Webster]
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