To go over and examine point by point; to examine with care; to look closely at or into; to scrutinize.

To examine quickly, from point to point, in search of something specific; as, to scan an article for mention of a particular person.

to examine or read something quickly, but selectively, for a particular purpose; skim.

A computer-aided medical picture, used to examine the body. The picture is often built up of several pictures, to make a ‘map’ of an area. Scans are made by a number of different machines (including CT scanners, MRI scanners, and radioisotope scanners).

to examine or read something carefully; look at closely

the act of scanning; systematic examination of a prescribed region; "he made a thorough scan of the beach with his binoculars"

examine minutely or intensely; "the surgeon scanned the X-ray"

examine hastily; "She scanned the newspaper headlines while waiting for the taxi"

a method of examining the heart

an examination which helps structuring the brain

The examination of the body or part of the body using CT or MRI.

To examine data from process sensors for use in calculations. A single sweep of PLC applications program operation. The scan operates the program logic based on I/O status, and then updates the status of inputs and outputs. (7/96)

As a noun, the data or image obtained from the examination of organs or regions of the body by gathering information with a sensing device. See the entire definition of Scan

To examine a patient's anatomy piece by piece and build up a detailed image or image series. (For example, using a computed tomography (CT) scanner, or a magnetic resonance imaging (MRI) scanner.) Also, an image or an image series acquired by scanning.