Question 1 · Quick check
lens
CEFRB1
/lɛnz/
noun
Türkçe translations
Translating…
In plain English
- 01
noun
A curved piece of glass or plastic that changes light's direction.
- 02
noun
Extra detailA convex shape bounded by two circular arcs, joined at their endpoints, the corresponding concave shape being a lune.
Examples
Through the lens the image was inverted.
Will you find my contact lens for me?
At a glance
Sits at B1 on the CEFR scale
- Senses
- 5
- Parts of speech
- 1
- Citations
- 5
- Synonyms
- 2
Deep Dive
noun
Extra meaningsA device which focuses or defocuses other waves or radiation, such as microwave radiation, electron beams, sound waves (acoustic lenses), or explosions (explosive lenses).
An object, usually made of glass, that focuses or defocuses the light that passes through it.
The transparent crystalline structure in the eye.
More examples
In contextNot long ago, it was difficult to produce photographs of tiny creatures with every part in focus. That’s because the lenses that are excellent at magnifying tiny subjects produce a narrow depth of field.
No film should be revised based on the lenses we now are, either voluntarily, or being forced to peer through.
It’s set in an anonymous, upper-middle-class suburb, lensed in the generic gunmetal gray that will one day appear as dated as the fuzzy outlines of ’80s direct-to-video horror movies.
Related
Quick test
Two questions on this entry. Nothing is scored.
Practise this properly in the app, where the word comes back before you forget it.
Nearby
Origin
noun
Borrowed from Latin lēns (“lentil”), with Medieval Latin later taking on the sense of “lens”, a semantic loan from Arabic عَدْسَة (ʕadsa, “lentil; optic lens”); the similar shape is the common factor.