magnifier

[mag-nuh-fahy-er]

noun

Origin of magnifier

First recorded in 1540–50; magnify + -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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.
Glaucus
Charles Kingsley
"That is proved by the focus of the magnifier," remarked the abbé.
Black Diamonds
Mr Jkai
A magnifier or reading-glass might bring it out strong enough.
The Outdoor Chums on the Lake
Quincy Allen
Impossible usually to see into the small pores with magnifier.
Studies of Trees
Jacob Joshua Levison

1540s, agent noun from magnify.