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[loop] /lup/
any of several varieties of magnifying glasses, used by jewelers and watchmakers, of from 2 to 20 power and intended to fit in the eye socket, to be attached to spectacles, or to be held in the hand.
Origin of loupe
1905-10; < French, originally an imperfect gem, a mass of hot metal ≪ Germanic; see loop3, lob1
Can be confused
loop, loupe. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for loupe
  • Waters turns it over in his hand, then scrutinizes it under a magnifying loupe.
British Dictionary definitions for loupe


a magnifying glass used by jewellers, horologists, etc
Word Origin
C20: from French (formerly an imperfect precious stone), from Old French, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for loupe

"watchmaker's magnifier," 1909, from French loupe.

Online Etymology Dictionary, © 2010 Douglas Harper
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loupe in Medicine

loupe (lōōp)
A small magnifying lens.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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