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lens

noun

Simple meaning

An object, usually made of glass, that focuses or defocuses the light that passes through it.

Pronunciation

Say it like this:

lehnz
US device voice
IPA pronunciation (US)

ˈlɛnz

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. optics

    An object, usually made of glass, that focuses or defocuses the light that passes through it.

  2. A device which focuses or defocuses electron beams.

  3. anatomy

    Biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina

  4. anatomy

    The transparent crystalline structure in the eye.

  5. by extensionfiguratively

    A way of looking, literally or figuratively, at something.

Word at a Glance

Difficulty
A2 · Elementary (estimated)
Frequency
Common
Typical Use
General English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: (optics) An object, usually made of glass, that focuses or defocuses the light that passes through it.

Used this way, lens is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Nearby words

  • electron lens , rarer, so it draws attention

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Common Patterns and Combinations

How this word naturally appears with others.

Biconvex / transparent

crystalline lenszoom lens

Other combinations

contact lenscamera lensconvex lensobjective lenslens systemtelephoto lens

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • lens cortexnounCompound term

    The tissue that surrounds the lens nucleus.

  • lens covernounCompound term

    Cap used to keep lens free of dust when not in use.

  • lens culinarisnounCompound term

    Widely cultivated Eurasian annual herb grown for its edible flattened seeds that are cooked like peas and also ground into meal and for its leafy stalks that are used as fodder.

  • lens hoodnounCompound term

    A tubular attachment used to keep stray light out of the lens of a camera.

  • lens implantnounCompound term

    A clear plastic lens that is implanted in the eye.

  • lens makernounCompound term

    A worker who makes glasses for remedying defects of vision.

Related Words

Connected to the same idea, not synonyms.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.