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WordReference Random House Learner's Dictionary of American English © 2026scan /skæn/USA pronunciation
v., scanned, scan•ning, n. v. - to examine (something) carefully;
scrutinize:[~ + object]scanning the crowd for his parents' faces.
- to read quickly or hastily:[~ + object]scanned the newspaper.
- to observe repeatedly or in sweeping motions:[~ + object]The lookouts scanned the horizon for enemy planes.
- Poetry[~ + object] to analyze (poetry) in order to understand its meter.
- Poetry (of lines of poetry) to conform to or agree with the rules of meter:[no object]That poem doesn't scan.
- Computing to read (data) for use by a computer, esp. by means of a piece of equipment that records a picture for use by a computer:[~ + object]to scan the photograph and reproduce it on the screen.
- Medicine to examine (a body part) with a scanner:[~ + object]to scan the kidneys.
n. [countable]
- an act or instance of scanning.
- Medicine
- Medicinean examination of a body part using a scanner.
- the image or display so obtained:The scan shows a tumor in the lung.
See -scend-.
WordReference Random House Unabridged Dictionary of American English © 2026scan
(skan),USA pronunciation v., scanned, scan•ning, n. v.t. - to glance at or over or read hastily:to scan a page.
- to examine the particulars or points of minutely;
scrutinize.
- to peer out at or observe repeatedly or sweepingly, as a large expanse;
survey.
- Poetryto analyze (verse) as to its prosodic or metrical structure;
read or recite (verse) so as to indicate or test the metrical form.
- Computingto read (data) for use by a computer or computerized device, esp. using an optical scanner.
- Radio and Television[Television.]to traverse (a surface) with a beam of light or electrons in order to reproduce or transmit a picture.
- Electronics[Radar.]to traverse (a region) with a beam from a radar transmitter.
- Medicineto examine (a body, organ, tissue, or other biologically active material) with a scanner.
v.i. - Poetryto examine the meter of verse.
- Poetry(of verse) to conform to the rules of meter.
- Radio and Television[Television.]to scan a surface or the like.
n. - an act or instance of scanning;
close examination.
- Radio and Televisiona visual examination by means of a television camera, as for the purpose of making visible or relaying pictures from a remote place:a satellite scan of the dark side of the moon; video scans of property listings available to customers.
- Radio and Televisiona particular image or frame in such video observation or a photograph made from it.
- Medicine
- Medicineexamination of the body or an organ or part, or a biologically active material, by means of a technique such as computed axial tomography, nuclear magnetic resonance, ultrasonography, or scintigraphy.
- the image or display so obtained.
- Late Latin scandere to scan verse, Latin: to climb (see ascend)
- Middle English scannen, variant of *scanden 1350–1400
1. study, investigate, inspect, search. 2. skim.
Scan.,
- Place NamesScandinavia.
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