scan

/skæn/
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scan

The doctor carefully examined the brain scan on the lightbox.

Definition

  1. Verb:

    • To examine something closely and systematically: To look at all parts of something carefully, often in a methodical way.
    • To look over or read something quickly: To glance through text or an area to get a general idea or find specific information.
    • To convert a physical document or image into a digital format: To use a scanner to create an electronic copy.
    • To analyze the meter or rhythm of a line of poetry: To determine the metrical pattern of verse.
    • To move a beam or detector over an area: To pass an electronic beam (like radar or a laser) across a surface or region to collect data or create an image.

  2. Noun:

    • The act of scanning: The process of examining or searching an area systematically.
    • A digital image produced by scanning: An electronic copy or picture created from a physical document or object using a scanner.
    • A medical image: A picture of the inside of the body produced by a scanning machine (e.g., CAT scan, MRI scan).
Examples

  • Verb:

    • She had to scan the old photograph into her computer. (To convert to digital format)
    • His eyes quickly scanned the room for an exit. (To look over quickly)
    • The technician will scan the barcode at checkout. (To pass a beam over)
    • The poet asked us to scan the line for its iambic pentameter. (To analyze poetic meter)
    • The radar continues to scan the sky for aircraft. (To sweep an area with a beam)

  • Noun:

    • A quick scan of the headlines revealed the major news. (The act of looking quickly)
    • The doctor reviewed the brain scan with the patient. (A medical image)
    • Please send me a scan of the signed contract. (A digital copy from a scanner)
Advanced Usage

  • "to scan through": To look through something, such as a document or list, quickly and often superficially.

    • I only had time to scan through the report before the meeting.

  • "to scan for": To examine an area or text with the specific purpose of finding something.

    • The software will scan for viruses on your hard drive.
Variants and Related Words

  • Scanner (n): A device that converts documents or images into digital data.

    • The office scanner is broken.

  • Scanning (n/adj): The action or process of scanning; relating to a scan.

    • The scanning process takes about a minute. (n)
    • The machine has a scanning laser. (adj)
Synonyms
  • Verb: Examine, scrutinize, skim, browse, survey, sweep.
  • Noun: Examination, survey, image, copy.
Related Phrasal Verbs
  • Scan over: Similar to 'scan through'; to review something quickly.
    • Could you scan over this email before I send it?
Related Idioms
  • (To give something) a once-over: To examine or check something quickly and casually. This is a colloquial synonym for a quick scan.
    • He gave the car engine a once-over before we left.
scan

The doctor carefully examined the brain scan on the lightbox.

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

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