Definitions of LENS [ɛnz]

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Definition of 'LENS'

Random House Webster's College Dictionary

1. (n.) lens
a piece of transparent substance, usu. glass, having two opposite surfaces either both curved or one curved and one plane, used in optical devices for changing the convergence of light rays, as for magnification, or in correcting defects of vision.

2.  lens
a combination of such pieces.

3.  lens
some analogous device, as for affecting sound waves, electromagnetic radiation, or streams of electrons.

4.  lens
a doubly convex, transparent body in the eye, behind the pupil, that focuses incident light on the retina.

5.  lens
a body of rock or ore that is thick in the middle and thinner toward the edges, similar in shape to a biconvex lens.

Etymology: (1685–95; < NL; L lēns a lentil (a lens so called from its shape); cf. lentil)

Definition of 'LENS'

Princeton's WordNet

1. (noun) lens, lense, lens system
a transparent optical device used to converge or diverge transmitted light and to form images

2. (noun) Lens, genus Lens
genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils

3. (noun) lens
(metaphor) a channel through which something can be seen or understood
"the writer is the lens through which history can be seen"

4. (noun) lens, crystalline lens, lens of the eye
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina

5. (noun) lens, electron lens
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

Definition of 'LENS'

Kernerman English Learner’s Dictionary

1. (noun) lens
a curved piece of glass or plastic you look through to make things look bigger, clearer, etc.
a camera lens; I broke one of the lenses of my glasses.

2. lens
the part of the eye that focuses light
light coming through the lens

Definition of 'LENS'

Webster Dictionary

1. (noun) LENS
a piece of glass, or other transparent substance, ground with two opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure

Definitions of 'LENS'

The Nuttall Encyclopedia

1. LENS
a piece of glass adapted as convex or concave so as to change the direction of the rays of light passing through it and magnify or diminish the apparent size of an object.

Translation of 'LENS'

Kernerman English Multilingual Dictionary

Sense: a piece of glass etc curved on one or both sides and used in spectacles, microscopes, cameras etc I need new lenses in my spectacles; The camera lens is dirty.
Afrikaans: lens	Arabic: عَدَسَه	Bulgarian: леща
Brazilian: lente	Czech: sklo,čočka	German: die Linse, die Gläser (pl
Danish: glas; linse; objektiv	Greek: φακός	Spanish: lente, objetivo
Estonian: lääts	Farsi: عدسی؛ لنز	Finnish: linssi
French: verre, lentille	Hebrew: עֲדָשָׁה	Hindi: ताल
Croatian: leća	Hungarian: lencse	Indonesian: lensa
Icelandic: linsa	Italian: lente	Japanese: レンズ
Korean: 렌즈	Lithuanian: lęšis, stiklas	Latvian: lēca; objektīvs
Malay: kanta	Dutch: lens	Norwegian: linse, objektiv
Polish: soczewka, obiektyw	Persian: عدسی؛ لنز	Pashto: عدسيه،لنز
Portuguese: lente	Romanian: lentilă	Russian: линза
Slovak: šošovka	Slovenian: leča	Serbian: sočivo
Swedish: lins, objektiv	Thai: เลนส์	Turkish: mercek, büyüteç, objektif
Taiwanese: 透鏡	Ukrainian: лінза; оптичне скло	Urdu: عدسہ
Vietnamese: thấu kính	Chinese: 透镜
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