Lens Definition

lĕnz
lenses
noun
lenses
A piece of glass, or other transparent substance, with two curved surfaces, or one plane and one curved, regularly bringing together or spreading rays of light passing through it: a lens or combination of lenses is used in optical instruments, eyeglasses, etc. to form an image.
Webster's New World
A combination of two or more such pieces.
Webster's New World
A thin piece of glass or plastic, as on a pair of sunglasses, that transmits light without refraction.
American Heritage Medicine
Any of various devices used to focus microwaves, electrons, or sound waves.
Webster's New World
A transparent, biconvex body situated between the iris and the vitreous humor of the eye: it focuses upon the retina light rays entering the pupil.
Webster's New World
Synonyms:
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verb
To photograph.
Webster's New World
To make a film of.
Webster's New World
To bend or distort (light, for example) by means of a lens, especially a gravitational field.
American Heritage
pronoun

A taxonomic genus within the family Fabaceae — the lentils.

Wiktionary

Other Word Forms of Lens

Noun

Singular:
lens
Plural:
lenses

Origin of Lens

  • New Latin lēns from Latin lentil (from the shape of a double convex lens)

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin lens (“a lentil bean”)

    From Wiktionary

Lens Sentence Examples

  • If not, the substitution of an achromatic lens will be of no advantage.

  • Its object is a practical one, to determine by scientific considerations the shape of lens best adapted to improve the capabilities of the telescope, which had been invented not long before.

  • Eyes are open invaginations without crystalline lens.

  • A, Early condition before the lens is deposited, showing the folding of the epidermic cell-layer into three.

  • Curiously enough, however, they differ from the cephalic Molluscan eye in the fact that, as in the vertebrate eye, the filaments of the optic nerve penetrate the retina, and are connected with the re surfaces of the nerve-end cells nearer the lens instead of with the opposite end.

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Words Starting With

LLELEN

Words Ending With

SNSENS

Unscrambles

lens

Words Starting With L and Ending With S

Starts With L & Ends With SStarts With LE & Ends With SStarts With L & Ends With NS

Word Length

4 Letter Words4 Letter Words Starting With L4 Letter Words Ending With S