lens vs contact lens

contact lens vs lens

lens and contact lens both are nouns.

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

As nouns, contact lens is a hyponym of lens; that is, contact lens 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
contact lens: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication

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

lens (noun)	contact lens (noun)
a transparent optical device used to converge or diverge transmitted light and to form images	a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
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 contact lens

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