lens vs eyeglass

eyeglass vs lens

lens and eyeglass both are nouns.

Word	Noun	Adjective	Verb	Adverb
lens	Yes	No	No	No
eyeglass	Yes	No	No	No

As nouns, eyeglass is a hyponym of lens; that is, eyeglass is a word with a more specific, narrower meaning than lens:

lens: a transparent optical device used to converge or diverge transmitted light and to form images
eyeglass: lens for correcting defective vision in one eye; held in place by facial muscles

Other hyponyms of lens include anastigmat, anastigmatic lens, camera lens, optical lens, compound lens, condenser, optical condenser, contact, contact lens, converging lens, convex lens, crown lens, concave lens, diverging lens, eyepiece, ocular, field lens, Fresnel lens, intraocular lens, meniscus, monocle, object glass, object lens, objective, objective lens.

lens (noun)	eyeglass (noun)
a transparent optical device used to converge or diverge transmitted light and to form images	lens for correcting defective vision in one eye; held in place by facial muscles
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina
(metaphor) a channel through which something can be seen or understood

Difference between lens and eyeglass

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