DICTIONARY ENTRY
3 SYLLABLES
diopter
/daɪ'ɑptər/ · daɪɑptər
Diopter has 3 syllables: di · op · ter.
di
01
op
02
ter
03
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.
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