Scan

Pronunciation: skăn

v. t.	1.	To mount by steps; to go through with step by step. [imp. & p. p. Scanned (skănd); p. pr. & vb. n. Scanning.] Nor stayed till she the highest stage had scand. - Spenser.
	2.	(Pros.) Specifically (Pros.), to go through with, as a verse, marking and distinguishing the feet of which it is composed; to show, in reading, the metrical structure of; to recite metrically.
	3.	To go over and examine point by point; to examine with care; to look closely at or into; to scrutinize. The actions of men in high stations are all conspicuous, and liable to be scanned and sifted. - Atterbury.
	4.	To examine quickly, from point to point, in search of something specific; as, to scan an article for mention of a particular person.
	5.	(Electronics) To form an image or an electronic representation of, by passing a beam of light or electrons over, and detecting and recording the reflected or transmitted signal.

Noun	1.	scan - the act of scanning; systematic examination of a prescribed region; "he made a thorough scan of the beach with his binoculars"
	2.	scan - an image produced by scanning; "he analyzed the brain scan"; "you could see the tumor in the CAT scan" Synonyms: CAT scan
Verb	1.	scan - examine minutely or intensely; "the surgeon scanned the X-ray"
	2.	scan - examine hastily; "She scanned the newspaper headlines while waiting for the taxi" Synonyms: glance over, skim, rake, run down
	3.	scan - make a wide, sweeping search of; "The beams scanned the night sky"
	4.	scan - conform to a metrical pattern
	5.	scan - move a light beam over; in electronics, to reproduce an image
	6.	scan - read metrically; "scan verses"
	7.	scan - obtain data from magnetic tapes; "This dictionary can be read by the computer" Synonyms: read

1.		SCAN - ["A Parallel Implementation of the SCAN Language", N.G. Bourbakis, Comp Langs 14(4):239-254 (1989)].
2.		SCAN - A real-time language from DEC.
3.		scan - (computer peripheral) See scanner.
4.		scan - (circuit design) See scan design.
5.		scan - (functional programming) See scanl, scanr.
6.	(storage, algorithm)	scan - An algorithm for scheduling multiple accesses to a disk. A number of requests are ordered according to the data's position on the storage device. This reduces the disk arm movement to one "scan" or sweep across the whole disk in the worst case. The serivce time can be estimated from the disk's track-to-track seek time, maximum seek time (one scan), and maximum rotational latency. Scan-EDF is a variation on this.