scan
1 Americanverb (used with object)
-
to glance at or over or read hastily.
to scan a page.
- Synonyms:
- skim
-
to examine the particulars or points of minutely; scrutinize.
- Synonyms:
- inspect, investigate, study
-
to peer out at or observe repeatedly or sweepingly, as a large expanse; survey.
-
to analyze (verse) as to its prosodic or metrical structure; read or recite (verse) so as to indicate or test the metrical form.
-
to read (data) for use by a computer or computerized device, especially using an optical scanner.
-
Television. to traverse (a surface) with a beam of light or electrons in order to reproduce or transmit a picture.
-
Radar. to traverse (a region) with a beam from a radar transmitter.
-
Medicine/Medical, Biology. to examine (a body, organ, tissue, or other biologically active material) with a scanner.
verb (used without object)
-
to examine the meter of verse.
-
(of verse) to conform to the rules of meter.
-
Television. to scan a surface or the like.
noun
-
an act or instance of scanning; close examination.
-
a 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.
-
a particular image or frame in such video observation or a photograph made from it.
-
Medicine/Medical, Biology.
-
examination 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.
-
abbreviation
verb
-
(tr) to scrutinize minutely
-
(tr) to glance over quickly
-
(tr) prosody to read or analyse (verse) according to the rules of metre and versification
-
(intr) prosody to conform to the rules of metre and versification
-
(tr) electronics to move a beam of light, electrons, etc, in a predetermined pattern over (a surface or region) to obtain information, esp either to sense and transmit or to reproduce a television image
-
(tr) to examine data stored on (magnetic tape, etc), usually in order to retrieve information
-
to examine or search (a prescribed region) by systematically varying the direction of a radar or sonar beam
-
physics to examine or produce or be examined or produced by a continuous charge of some variable
to scan a spectrum
-
med to obtain an image of (a part of the body) by means of a scanner
noun
-
the act or an instance of scanning
-
med
-
the examination of a part of the body by means of a scanner
a brain scan
ultrasound scan
-
the image produced by a scanner
-
Other Word Forms
- scannable adjective
- self-scanned adjective
- unscannable adjective
- unscanned adjective
Etymology
Origin of scan
1350–1400; Middle English scannen, variant of *scanden < Late Latin scandere to scan verse, Latin: to climb ( ascend )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Instead, researchers relied on micro-CT scanning, which allowed them to visualize the full skeleton in just a few months.
From Science Daily
She scans the floor for the weather radio, but Dad took it out to replace the batteries and it hasn’t made its way back.
From Literature
![]()
“Sure, but after you create them, let me see them before you scan them.”
From Literature
![]()
These guidelines also included, for the first time, recommended levels of LDL—known as low-density lipoprotein or “bad” cholesterol—based on calcium scores from the scans.
The government has also implemented a digitally-monitored fuel rationing system, where purchases are scanned, logged and tracked using a QR code on vehicles.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.