lens

1 of 2

noun

1
a
: a piece of transparent material (such as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light
b
: a combination of two or more simple lenses
c
: a piece of glass or plastic used (as in safety goggles or sunglasses) to protect the eye
2
: a device for directing or focusing radiation other than light (such as sound waves, radio microwaves, or electrons)
3
: something shaped like a biconvex optical lens
lens of sandstone
4
: a highly transparent biconvex lens-shaped or nearly spherical body in the eye that focuses light rays (as upon the retina) see eye illustration
5
: something that facilitates and influences perception, comprehension, or evaluation
viewing the current legal battle … through partisan lensesNew Republic
6
lensed adjective
lensless adjective

lens

2 of 2

verb

lensed; lensing; lenses

transitive verb

: to make a motion picture of : film

Examples of lens in a Sentence

Noun Make sure the lens of the microscope is clean.
Recent Examples on the Web
Noun
First published in 1989 by W.W. Norton, author John Perlin looked at the rise and fall of civilizations through the lens of the forests that supported them, and then showed how, time after time, subsequent deforestation contributed to a civilization’s collapse. Eugene Linden, TIME, 21 Apr. 2024 Nearly six feet tall with long blond hair and usually toting a camera lens the size of a small howitzer, Groo is soft-spoken and deliberate. Rene Ebersole, Rolling Stone, 21 Apr. 2024 The date aperture and Cyclops lens have also been moved across the dial from 3 to 9 o’clock. Rachel Cormack, Robb Report, 20 Apr. 2024 Whether in front of the lens or behind the scenes, voices rang out, proclaiming this as a watershed moment—a new and enduring elevation of the sport. Shelby Stewart, Essence, 18 Apr. 2024 But, then again, seeing a face presented as crude data reminds us of the power of a lens in collaboration with an actual human body. Robert Sullivan, Vogue, 12 Apr. 2024 The essayist’s sports memoir explores the meaning of basketball through both a personal and societal lens. 3 THE CREATIVE ACT (Penguin, $32). Becky Meloan, Washington Post, 10 Apr. 2024 The film also explores the psychological effects of an individual being separated from society for an extended period of time through the same lens. Abigail Adams, Peoplemag, 9 Apr. 2024 It’s recommended to hold a pair of eclipse glasses over the camera lens. The Arizona Republic, 8 Apr. 2024
Verb
Structured as a six-episode, one-hour drama, the series is scheduled to lens in English by 2025. Emiliano De Pablos, Variety, 6 Oct. 2023 With his growing reputation, Sandgren was chosen by Gus Van Sant to lens his Promised Land. Angela Dawson, Forbes, 5 Oct. 2021 Kusijanović tapped cinematographer Hélène Louvart (The Lost Daughter, Never Rarely Sometimes Always) to lens her story. Hilton Dresden, The Hollywood Reporter, 14 Feb. 2023 The many bits of space junk orbiting Earth, from foil scraps to lens caps to chunks of frozen urine, can damage satellites and spacecraft, which is why researchers have long sought methods to remove debris from orbit. Patrick Morgan, Discover Magazine, 12 Apr. 2011 Optical stabilization moves lens elements to compensate for any motion, a useful feature for getting sharper handheld photos. PCMAG, 9 Dec. 2022 Spain, which could be interpreted as reference to another hike in the rebate cap for international shoots, currently at €10 million ($10.3 million) on mainland Spain, to encourage big movies to lens for longer in Spain. John Hopewell, Variety, 22 Nov. 2022 If the gambit pays off, Coogler & Co. won’t be returning to Lagos simply to walk the red carpet, but also to lens future chapters of Marvel’s blockbuster, multibillion-dollar franchise. Christopher Vourlias, Variety, 28 Nov. 2022 Original cinematographer Dean Cundey, who went on to lens Jurassic Park and Who Framed Roger Rabbit?, ensures that the film looks as visually gorgeous as the original, full of unsettlingly dark nighttime imagery and eerie point-of-view camerawork. Wesley Stenzel, EW.com, 14 Oct. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lens.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

New Latin lent-, lens, from Latin, lentil; from its shape

First Known Use

Noun

1673, in the meaning defined at sense 1a

Verb

1942, in the meaning defined above

Time Traveler
The first known use of lens was in 1673

Dictionary Entries Near lens

Cite this Entry

“Lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lens. Accessed 24 Apr. 2024.

Kids Definition

lens

noun
ˈlenz
1
a
: a clear curved piece of material (as glass) used to bend rays of light to form an image especially to correct vision or magnify an object
b
: a piece of glass or plastic used (as in protective goggles or sunglasses) to protect the eye
2
: a clear part of the eye that focuses rays of light so as to form an image (as upon the retina)

Medical Definition

lens

noun
variants also lense
1
: a curved piece of glass or plastic used singly or combined in eyeglasses or an optical instrument (as a microscope) for forming an image by focusing rays of light
2
: a device for directing or focusing radiation other than light (as sound waves, radio microwaves, or electrons)
3
: a highly transparent biconvex lens-shaped or nearly spherical body in the eye that focuses light rays entering the eye typically onto the retina, lies immediately behind the pupil, is made up of slender curved rod-shaped ectodermal cells in concentric lamellae surrounded by a tenuous mesoblastic capsule, and alters its focal length by becoming more or less spherical in response to the action of the ciliary muscle on a peripheral suspensory ligament
lensed adjective
lensless adjective

Geographical Definition

Lens

geographical name

commune in northern France southwest of Lille population 35,032

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