scan

verb
\ ˈskan How to pronounce scan (audio) \
scanned; scanning

Definition of scan

 (Entry 1 of 2)

transitive verb

1 : to read or mark so as to show metrical structure scan poetry
2 : to examine by point-by-point observation or checking:
a : to investigate thoroughly by checking point by point and often repeatedly a fire lookout scanning the hills with binoculars
b : to glance from point to point of often hastily, casually, or in search of a particular item scan the want ads looking for a job
3a : to examine systematically (as by passing a beam of radiation over or through) in order to obtain data especially for display or storage scanned the patient's heart radar scans the horizon scan the photos into the computer
b : to pass over in the formation of an image the electron beam scans the picture tube

intransitive verb

1 : to scan verse
2 : to conform to a metrical pattern this poem scans well

scan

noun

Definition of scan (Entry 2 of 2)

1 : the act or process of scanning
2 : a radar or television trace
3 : an image formed by scanning something: such as
a : a depiction (such as a photograph) of the distribution of a radioactive material in something (such as a bodily organ)
b : an image of a bodily part produced (as by computer) by combining ultrasonic or radiographic data obtained from several angles or sections

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Other Words from scan

Verb

scannable \ ˈska-​nə-​bəl How to pronounce scannable (audio) \ adjective

Choose the Right Synonym for scan

Verb

scrutinize, scan, inspect, examine mean to look at or over. scrutinize stresses close attention to minute detail. scrutinized the hospital bill scan implies a surveying from point to point often suggesting a cursory overall observation. scanned the wine list inspect implies scrutinizing for errors or defects. inspected my credentials examine suggests a scrutiny in order to determine the nature, condition, or quality of a thing. examined the specimens

Examples of scan in a Sentence

Verb

He scanned the field with binoculars. He scanned the audience looking for his parents. She scanned his face for any clue to what he was thinking. She quickly scanned the pages of the newspaper. She scanned through the list to find her name. Their bags were scanned at the airport. This machine scans a patient's brain.

Noun

The patient underwent a brain scan. The doctor examined the bone scans.
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Recent Examples on the Web: Verb

Computers scan for stocks and look for ones in play. Paul R. La Monica, CNN, "Confused investors keep buying FORD, thinking it's Ford," 12 Aug. 2019 Amazon scans a merchant’s prices for listings on its Marketplace platform and compares them to that same merchant’s listings on other platforms, like Walmart and eBay. Nick Statt, The Verge, "Amazon is encouraging third-party sellers to raise prices on Walmart or risk losing perks," 5 Aug. 2019 Google also released a program called Inbox, which scanned messages and tried to organize them by topic, like travel. Ian Bogost, The Atlantic, "Work Ruined Email," 2 Aug. 2019 In one stretch of six plays, Derek Carr (once) and Nathan Peterman (twice) scanned the field for receivers and did not attempt a throw. Matt Kawahara, SFChronicle.com, "Raiders practice report: New RT Trent Brown establishing a big presence," 29 July 2019 But words can get mangled when a document has been printed, scanned, and read into a computer with optical character recognition software. Jeremy B. Merrill, Quartz, "How Quartz used AI to help reporters search the Mauritius Leaks," 23 July 2019 Drivers who don’t have E-ZPass transponders will have their license plates scanned and bills mailed to their homes. Pamela Wood, baltimoresun.com, "Maryland Gov. Hogan proposes more toll changes, but offers few details," 19 July 2019 The installation of systems at four public access points would scan visitor identification and perform basic background checks and print visitor identification tags. Denise Coffey, courant.com, "School Security Grant Heads To Town Meeting," 15 July 2019 Harvati and her team CT-scanned the fossils, and then two of the team members separately worked on virtual reconstructions, each using two different protocols in an attempt to reduce bias while digitally tweaking the fossils. Maya Wei-haas, National Geographic, "Enigmatic skull may be the oldest modern human outside Africa. But questions abound.," 10 July 2019

Recent Examples on the Web: Noun

The training used simulated scans of data that looked like images from a human body but were actually artificial. Julie Grisham, Scientific American, "Faster, clearer PET images offer new views on disease," 9 July 2019 The app’s developers used 3-D scans of Neil Armstrong’s space suit and of the Lunar Command Module, which placed the astronauts on the moon, in order to authentically replicate the feeling and the scale of the landing. Michael Waters, Smithsonian, "The Augmented Reality App That Lets You Experience the Moon Landing," 25 June 2019 Although there isn't a specific test that can be used to definitively diagnose Parkinson's, doctors may use brain scans, blood tests, and other exams to rule out other options. Sarah Jacoby, SELF, "The Weird Dream Symptom That Made Alan Alda Suspect He Had Parkinson’s Disease," 31 July 2018 The company hopes to offer bespoke sizes eventually, using feet scans to create digital lasts, which would generate patterns for leather and other components of a shoe. The Economist, "Shoemakers bring bespoke footwear to the high street," 22 May 2018 His research using neuroimaging, or brain scans, to investigate cognitive development has been recognized with several awards. Andrea K. Mcdaniels, baltimoresun.com, "Baltimore's Kennedy Krieger Institute hires new CEO," 17 May 2018 The study measured patients' progress by calculating the amount of shrinkage in their cortex, looking at eye damage and using specialized MRI scans to reveal brain cells at a high resolution, Fox said. Mary Lou Brink, cleveland.com, "Top Workplaces 2018 nomination deadline extended," 21 Jan. 2018 As first revealed by ZDNet and Android Police, Google employees have been roving the streets of American cities, offering $5 gift certificates in exchange for a facial scan. Dieter Bohn, The Verge, "Google’s ‘field research’ offered people $5 to scan their faces for the Pixel 4," 29 July 2019 The city of Rome unveiled three test machines Tuesday around metro stations where passengers can drop plastic water bottles, receiving five cents apiece through a scan on their phones. Washington Post, "Rome tests recycling bottles for transit cash," 25 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scan.' 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 scan

Verb

14th century, in the meaning defined at transitive sense 1

Noun

1706, in the meaning defined at sense 1