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Lens

noun

(pl. lenses)

A transparent optical device used to converge or diverge transmitted light and to form images. Synonyms: lens system, lense.

Genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils. Synonym: genus Lens.

(metaphor) a channel through which something can be seen or understood.

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

Electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons. Synonym: electron lens.

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"Lens" Quotes from Famous Books

... from Rome with all haste to give Vitel'lius battle. The army of Vitel'lius, which consisted of seventy thousand men, was commanded by his generals Va'lens and Cecin'na, he himself remaining in Gaul, in order to bring up the rest of his forces. Both sides hastened to meet each other with so much animosity and precipitation, that three considerable battles were fought in the space of three days, in all ...

— Pinnock's Improved Edition of Dr. Goldsmith's History of Rome • Oliver Goldsmith

... say that I did, though it seems to me there is something like a bunch in that crotch about ten feet from the ground; but the branches sort of screen it. But, Jack, I saw the sun flash from the lens of a pair of glasses, not only once ...

— Jack Winters' Gridiron Chums • Mark Overton

... you must think of the eye as a lens, but one made up of cells, of tissues. It can know inflammation. As a result of many inflammations there is what we call an exudation—a liquid passes from the tissues. This may be thin or serum-like, or it may be heavier, something like granulations. The tissues are weak—they exude something ...

— The Sagebrusher - A Story of the West • Emerson Hough

... as I approached, and I smiled to see that the spectacles astride his handsome nose were minus one lens. He seemed half blind and wholly bewildered. I looked at once for the lost glass, and there it lay shining at me from the very spot where he had been so industriously peering. He laughed grimly as I handed it to him, fitted his treasure into ...

— Atlantic Monthly, Vol. XII. September, 1863, No. LXXI. - A Magazine Of Literature, Art, And Politics • Various

... fraught with numerous perils for the travelling hosts. Attracted and blinded by the torches of lighthouses, multitudes of birds are annually killed by striking against lighthouse towers in thick, foggy weather. The keeper of the Cape Hatteras light once showed me a chipped place in the lens which he said had been made by the bill of a great white Gannet which one thick night crashed through the outer protecting glass of the lighthouse lamp. As many as seven hundred birds in one month have killed themselves by flying against the Bartholdi Statue of Liberty in New York Harbour. As its ...

— The Bird Study Book • Thomas Gilbert Pearson

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