a person or thing that magnifies.
a lens or combination of lenses that magnifies an object; magnifying glass.

Origin of magnifier

First recorded in 1540–50; magnify + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for magnifier

Historical Examples of magnifier

  • This image is viewed by a magnifier attached to the end B C.

    Letters on Astronomy

    Denison Olmsted

  • A curious thing is this proboscis, when seen through the magnifier.


    Charles Kingsley

  • "That is proved by the focus of the magnifier," remarked the abbé.

  • A magnifier or reading-glass might bring it out strong enough.

  • Impossible usually to see into the small pores with magnifier.

    Studies of Trees

    Jacob Joshua Levison

Word Origin and History for magnifier

1540s, agent noun from magnify.

Online Etymology Dictionary, © 2010 Douglas Harper