optical power
optical power · optical powers
The degree to which a lens, mirror, or other optical system converges or diverges…The degree to which a lens, mirror, or other optical system converges or diverges light, equal to the reciprocal of the focal length of the device.
» Lenses with two distinct optical powers are also called "bifocals".
Двухфокусные линзы также называются бифокальными.
Meaning
1 senses(countable, uncountable)The degree to which a lens, mirror, or other optical system converges or diverges light, equal to the reciprocal of the focal length of the device.
Examples
1 sentencesLenses with two distinct optical powers are also called "bifocals".
ruДвухфокусные линзы также называются бифокальными. — Hellerick
Forms
plural: optical powers| Singular | optical power |
|---|---|
| Plural | optical powers |
regular
Synonyms
4 synonymsrefractive powerdioptric powerfocusing powerconvergence power
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable