scan

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(1) To make an electronic comparison of a signal, pixel or data structure as described in the following definitions.

(2) In optical technologies, to read a printed form a line at a time in order to convert images into bitmapped representations or convert characters into text. See OCR.

(3) In video, to move across a picture frame a line at a time, either to detect the image in an analog or digital camera, or to refresh a CRT display.

(4) To search a data file sequentially for specific content.

(5) To search an executable file for a particular pattern. See antivirus program.

(6) To sequentially search for peripheral devices attached to the computer.

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1. Use of a mechanical or electronic device to check for recorded data (as on a punch card or magnetic tape).

2. Casually look from item to item in search of a specific item. See also optical character recognition scanner.

To read through a document rather hastily. In a desk-top publishing computer system, a document can be quickly passed through a scanner and subsequently edited on-screen.

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verb

1. To view broadly or from a height: look over, overlook, survey. See see/not see.
2. To look through reading matter casually: browse, dip into, flip through, glance at (or over) (or through), leaf (through), riffle (through), run through, skim, thumb (through). See investigate, words.

v

Definition: glance through
Antonyms: pore over

Used loosely, this word is sometimes used to describe the searching movements of the eyes, but a usefully restricted technical sense is conveying information by movement (as of the flying spot in a television camera and a corresponding electron beam in the receiver) down a single channel. The receptors of the eyes, the ears, and the skin are parallel channels and do not employ scanning in this technical sense. There is, however, a creature with a single channel scanning eye — a copepod, Copilia quadrata.

(Published 1987)

— Richard L. Gregory

Bibliography
• Gregory, R. L., Ross, H. E., and Moray, N. (1964). 'The curious eye of Copilia'. Nature, 201/4925.

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To mark off lines of poetry into rhythmic units, or feet, to provide a visual representation of their metrical structure.

(DOD) 1. The path periodically followed by a radiation beam. 2. In electronic intelligence, the motion of an electronic beam through space looking for a target. Scanning is produced by the motion of the antenna or by lobe switching. See also electronic intelligence.

IN BRIEF: To glance over something quickly; to examine carefully.

She began to scan the newspaper, looking for the article about her teacher.

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sign description: One V-hand moves up and down while the fingers are pointed toward the flat palm of the opposite hand.

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i. To search the sky for any hostile aircraft. The area of the scan for a typical two-aircraft formation is indicated in the illustration. In flight, the term means “Search the sector indicated and report any contacts.”



ii. To make a sweep of selected flight instruments or an external scene with the eyes.



Two of the techniques for scanning primary flight instruments.
iii. The path periodically followed by a radiation beam. See helical scan and conical scanning.
iv. The motion of an electronic beam through space looking for a target. Scanning is carried out by the motion of the antenna or by lobe switching.



Scanning by lobe comparison.

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For a list of words related to scan, see:

• Procedures - scan: viewing inside of body without surgical incision, esp. by X-ray or CAT scan
• Verbs of Sight - scan: examine or search hastily from point to point

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See words rhyming with "scan."

  See crossword solutions for the clue Scan.

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Dansk (Danish)
v. tr. - skanne, aflæse, analysere, studere, undersøge, afsøge, skandere, granske
v. intr. - passe, kunne skanderes
n. - scanning, aflæsning, skandering, afsøgning, forskende blik

Nederlands (Dutch)
aftasten, doorbladeren, doorkijken, elektronisch uitlezen, scanderen

Français (French)
v. tr. - lire rapidement, scruter, balayer (par un radar), (Méd) faire un scanner de, scander (littér)
v. intr. - pouvoir se scander (littér)
n. - (Méd) scanner, scanographie, échographie, balayage (radar, TV), analyse

Deutsch (German)
v. - absuchen, flüchtig ansehen, (EDV) scannen, abtasten, skandieren
n. - Scannen

Ελληνική (Greek)
v. - ανιχνεύω, διερευνώ, (για στίχο) μπορώ να απαγγελθώ έμμετρα, απαγγέλλω έμμετρα, (Η/Υ) σαρώνω (με ηλεκτρονικό σαρωτή), εξετάζω βιαστικά, διαβάζω βιαστικά
n. - (Η/Υ) σάρωση

Italiano (Italian)
sfogliare, scrutare, scandire, analizzare, digitalizzare, eseguire la scansione, passare in scansione

Português (Portuguese)
v. - examinar
n. - exame (m)

Русский (Russian)
изучающий взгляд, внимательное и подробное изучение, прогон, просмотр, поиск (на ЭВМ), бегло просматривать, внимательно смотреть, разглядывать, изучать, прогонять, просматривать, сканировать, критиковать, оценивать в соответствии с определенными правилами или нормами, скандировать, читать метрические стихи вслух, выдерживать размер (стиха)

Español (Spanish)
v. tr. - escrutar, explorar, escandir, repasar, examinar detenidamente, escanear
v. intr. - estar bien medido
n. - examinación minuciosa

Svenska (Swedish)
v. - granska, studera, spana ut över, ögna igenom, skumma, avsöka, scanna, analysera metriskt (metrik)
n. - granskning, studie, inläsning, metrisk analys (metrik)

中文（简体）(Chinese (Simplified))
细看, 扫描, 粗略地看, 审视, 浏览, 符合格律, 韵律合拍, 扫掠, 标出诗的格律, 粗略一看

中文（繁體）(Chinese (Traditional))
v. tr. - 細看, 掃描, 粗略地看, 審視, 瀏覽
v. intr. - 符合格律, 韻律合拍, 掃描, 掃掠, 標出詩的格律
n. - 細看, 掃描, 粗略一看, 審視, 瀏覽

한국어 (Korean)
v. tr. - 자세히 살피다, 대충 훑어 보다, 탐지하다
v. intr. - 시의 운율을 살피다, 운율이 맞다, (TV) 주사하다
n. - 면밀한 검사, 체내 방사능 분포 사진, 스캔

日本語 (Japanese)
n. - じっと見ること, 綿密な調査
v. - じっと見る, …にざっと目を通す, 走査する, 韻律を調べる, 韻律が合う

العربيه (Arabic)
‏(فعل) يمسح, يلقي نظرة عاجله على (الاسم) فحص دقيق‏

עברית (Hebrew)
v. tr. - ‮סרק, בחן, בדק, רפרף, ניתח (שיר)‬
v. intr. - ‮היה בנוי במקצב‬
n. - ‮מבט בוחן, סריקה‬

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