lens

noun
\ ˈlenz How to pronounce lens (audio) \

Definition of lens

 (Entry 1 of 3)

1a : 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

lens

verb
lensed; lensing; lenses

Definition of lens (Entry 2 of 3)

transitive verb

: to make a motion picture of : film

Lens

geographical name
\ ˈläⁿs How to pronounce Lens (audio) \

Definition of Lens (Entry 3 of 3)

commune in northern France southwest of Lille population 35,032

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Other Words from lens

Noun

lensed \ ˈlenzd How to pronounce lensed (audio) \ adjective
lensless \ ˈlenz-​ləs How to pronounce lensless (audio) \ adjective

Examples of lens in a Sentence

Noun Make sure the lens of the microscope is clean.
Recent Examples on the Web: Noun If money's an issue, get the $399 SE, which also has a 4.7-inch screen and one camera lens, but more modern image processor. Jefferson Graham, USA TODAY, "iPhone 12 review: Should you upgrade to Apple's latest smartphone? Maybe," 23 Oct. 2020 From there, the applications of saponin expanded rapidly: During World War II, it was used in surveillance efforts as both a lens cleaner and an ingredient in photographic reagents. Brendan Borrell, The Atlantic, "The Tree That Could Help Stop the Pandemic," 21 Oct. 2020 The 12 Pro tosses a 12-megapixel telephoto lens and a LiDAR sensor into the mix. Jacob Krol, CNN Underscored, "The iPhone 12 Pro future-proofs with 5G and impressive photography chops," 20 Oct. 2020 In the same way looked at COVID from an economic angle, Thompson Gonzalez viewed climate change through the same lens. Rafael Olmeda, sun-sentinel.com, "Four things to watch on and after Election Day in Broward," 15 Oct. 2020 Scott’s Symbol Plus helmet and lens-change goggles (LCG) offer seamless helmet-goggle compatibility (no gaper gap) and a fit without pressure points. Marc Peruzzi, Outside Online, "The Gear We Relied On for Our 2020 Ski Test," 15 Oct. 2020 Taking sunglasses to my optometrist for a lens replacement has been a hack of mine since my freshman year of college. Maxwell Losgar, Marie Claire, "What I Wear on Repeat: My Rhude x Thierry Lasry "Rhodeo" Frames," 14 Oct. 2020 The iPhone 12 Pro and Pro Max, meanwhile, add a third telephoto lens. Rishi Iyengar, CNN, "iPhone 12: What you need to know about Apple's new 5G phone lineup," 13 Oct. 2020 The selfie camera has a 20MP sensor with an f/2.2 lens. Jim Rossman, Dallas News, "The Motorola Razr returns with 5G," 8 Oct. 2020 Recent Examples on the Web: Verb Additionally, Kiki Ochoa, a high school ethnic studies teacher at Lincoln High School, emphasizes on teaching any subject through an ethnic studies lens with the goal of incorporating love for every community, culture and faith. Lallia Allali, San Diego Union-Tribune, "Commentary: California ethnic studies model curriculum leaves integral cultures out," 2 Sep. 2020 The regular camera has a dazzling 108 megapixels, and is designed, theoretically, to provide sharper images, while the ultrawide and 5X telephoto lens both have 12 megapixel sensors. Aaron Pressman, Fortune, "Samsung Note20 Ultra review: Why this big phone works for the COVID era," 18 Aug. 2020 And as Jee and her colleagues now show, H0LiCOW’s lensed quasars are the gift that keeps on giving: They can be sliced and diced in a completely different way to estimate the Hubble constant. Michael Greshko, National Geographic, "The universe might be acting weird. Cosmic 'lenses' may help reveal why.," 12 Sep. 2019 Yang's directorial debut, Tigertail is deliberately shot, lensing each setting distinctly. Isaac Feldberg, Fortune, "‘Tigertail’ director Alan Yang on making the past not ‘a memory, but a beautiful dream’," 9 Apr. 2020 Sometimes, the light of distant supernovae is bent, or lensed, by an intervening galaxy, creating multiple images of the same supernova. Daniel Clery, Science | AAAS, "Big telescopes join hunt for things that go flash in the night," 12 Feb. 2020 Cinematographer Checco Varese excels in lensing Pennywise’s nightmarish interludes with a gorgeous, surreal and inviting texture. San Diego Union-Tribune, "Review: Overlong ‘It Chapter Two’ confronts scarier evils than Pennywise the clown," 5 Sep. 2019 Also during the cinematography festival's closing ceremony, Camerimage awarded the Silver Frog to Fernando Meirelles' Netflix release The Two Popes, lensed by Uruguayan DP Cesar Charlone. Carolyn Giardina, The Hollywood Reporter, "'Joker' Wins Golden Frog at Camerimage," 16 Nov. 2019 Cinematographer Checco Varese excels in lensing Pennywise’s nightmarish interludes with a gorgeous, surreal and inviting texture. San Diego Union-Tribune, "Review: Overlong ‘It Chapter Two’ confronts scarier evils than Pennywise the clown," 5 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lens.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lens

Noun

1673, in the meaning defined at sense 1a

Verb

1942, in the meaning defined above

History and Etymology for lens

Noun

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

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Learn More about lens

Statistics for lens

Last Updated

27 Oct 2020

Cite this Entry

“Lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lens. Accessed 29 Oct. 2020.

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More Definitions for lens

lens

noun
How to pronounce Lens (audio)

English Language Learners Definition of lens

: a clear curved piece of glass or plastic that is used in eyeglasses, cameras, telescopes, etc., to make things look clearer, smaller, or bigger
: the clear part of the eye that focuses light to form clear images

lens

noun
\ ˈlenz How to pronounce lens (audio) \

Kids Definition of lens

1 : a clear curved piece of material (as glass) used to bend the rays of light to form an image
2 : a clear part of the eye behind the pupil and iris that focuses rays of light on the retina to form clear images

lens

noun
variants: also lense \ ˈlenz How to pronounce lense (audio) \

Medical Definition of lens

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

Other Words from lens

lensed adjective
lensless adjective

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More from Merriam-Webster on lens

Nglish: Translation of lens for Spanish Speakers

Britannica English: Translation of lens for Arabic Speakers

Britannica.com: Encyclopedia article about lens

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