magnifier

/ˈmæɡnɪfaɪər/
noun
  1. A device or tool that makes objects look larger than they really are, used to see small details.
    • A magnifier is helpful for stamp collectors to see the fine details.
    • The detective examined the fingerprints with a magnifier.
    • She used a magnifier to read the tiny print on the medicine bottle.
  2. A feature in software or on a screen that enlarges part of the display for easier viewing.
    • You can use the magnifier tool in the drawing app to edit tiny pixels.
    • I turned on the screen magnifier to read the small text on the website.
    • The phone's magnifier helps people with low vision see photos clearly.
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