| English Dictionary |
DIOPTRE
| Pronunciation (US): |  | (GB): | |
Dictionary entry overview: What does dioptre mean?
• DIOPTRE (noun)
The noun DIOPTRE has 1 sense:
1. 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
Familiarity information: DIOPTRE used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
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
Classified under:
Nouns denoting quantities and units of measure
Synonyms:
diopter; dioptre
Hypernyms ("dioptre" is a kind of...):
unit; unit of measurement (any division of quantity accepted as a standard of measurement or exchange)
| Learn English with... Proverbs |
"Clothes don't make the man." (English proverb)
"A starving man will eat with the wolf." (Native American proverb, tribe unknown)
"When the axe came to the forest, the trees said: "The handle is one of us."" (Armenian proverb)
"To make your neighbor jealous, go to bed early and get up early." (Corsican proverb)
"A starving man will eat with the wolf." (Native American proverb, tribe unknown)
"When the axe came to the forest, the trees said: "The handle is one of us."" (Armenian proverb)
"To make your neighbor jealous, go to bed early and get up early." (Corsican proverb)