English Dictionary

LENS SYSTEM

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IPA (US): 

 Dictionary entry overview: What does lens system mean? 

LENS SYSTEM (noun)
  The noun LENS SYSTEM has 1 sense:

1. a transparent optical device used to converge or diverge transmitted light and to form imagesplay

  Familiarity information: LENS SYSTEM used as a noun is very rare.


 Dictionary entry details 


LENS SYSTEM (noun)


Sense 1

Meaning:

A transparent optical device used to converge or diverge transmitted light and to form images

Classified under:

Nouns denoting man-made objects

Synonyms:

lens; lens system; lense

Hypernyms ("lens system" is a kind of...):

optical device (a device for producing or controlling light)

Hyponyms (each of the following is a kind of "lens system"):

anastigmatic lens (a lens designed to correct astigmatism)

object glass; object lens; objective; objective lens (the lens or system of lenses in a telescope or microscope that is nearest the object being viewed)

eyeglass; monocle (lens for correcting defective vision in one eye; held in place by facial muscles)

meniscus ((optics) a lens that is concave on one side and convex on the other)

intraocular lens (an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed)

Fresnel lens (lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length)

field lens (the lens that is farthest from the eye in an optical device with more than one lens)

eyepiece; ocular (combination of lenses at the viewing end of optical instruments)

concave lens; diverging lens (a lens such that a parallel beam of light passing through it is caused to diverge or spread out)

crown lens (a lens made of optical crown glass)

converging lens; convex lens (lens such that a beam of light passing through it is brought to a point or focus)

contact; contact lens (a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication)

condenser; optical condenser (lens used to concentrate light on an object)

compound lens (a lens system consisting of two or more lenses on the same axis)

camera lens; optical lens (a lens that focuses the image in a camera)

anastigmat (compound lens or lens system designed to be free of astigmatism and able to form approximately point images)

Holonyms ("lens system" is a part of...):

optical instrument (an instrument designed to aid vision)


 Context examples 


The Hubble observations revealed that the starlight from the foreground lens system was too faint to be a single star, but it had the brightness expected for two closely orbiting red dwarf stars, which are fainter and less massive than our sun.

(Hubble Finds Planet Orbiting Pair of Stars, NASA)



 Learn English with... Proverbs 
"Diseases come on horseback, but steal away on foot." (English proverb)

"Cherish youth, but trust old age." (Native American proverb, Pueblo)

"If there's no choice but advice, ask for the decisiveness of an advisor or the advice of a decisive person." (Arabic proverb)

"A disaster never comes alone." (Croatian proverb)



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