Category: GeneralPart of speech: adjectiveDifficulty: Intermediate

optical

/optical/Roman
US/ˈɑptɪkəɫ/
UK/ˈɒptɪkəl/

English meaning: Optical

Definition

Of, or relating to sight; visual.

Example

“Strabismus is an optical defect.”

Another example: “Data is transmitted as pulses of light through an optical fibre.”

Usage — When, Where & How

A technical-to-neutral adjective relating to sight, light or vision, and to instruments and fibres that use light. Common in science, medicine and technology ('optical illusion', 'optical fibre', 'optical drive').

Etymology & Origin

English — Origin & History

From Medieval Latin 'opticus', from Greek 'optikos' (of sight), from 'optos' (seen); in English from the early 17th century.

Synonyms

  • optic
  • ocular
  • visual
  • ophthalmic

Related Words

  • tweezers
  • aberrations
  • ocr
  • viewfinder
  • interferometer
  • fiber
  • tomography
  • waveguide
  • refractive
  • microscopy

Common Collocations

  • optical illusion
  • optical fibre
  • optical instrument
  • optical drive
  • optical character recognition
  • optical density

Word Forms

optical (adj); optic (adj); optically (adv); optics (n)

Word Tools

3 syllables

Literary Heritage

“To thine own self be true, and it must follow, as the night the day, thou canst not then be false to any man.”

/To thine own self be true/

“Be honest with yourself — and as naturally as night follows day, you will be unable to be false to others.”

William Shakespeare · Playwright & Poet · 1564–1616

Hamlet, Act II

Hamlet, II.i — Polonius's parting words to Laertes; the most quoted line in Shakespeare

“I'm nobody! Who are you? Are you nobody, too?”

/I'm nobody! Who are you?/

“I am nobody — and that quiet anonymity is more honest than the noise of public fame.”

Emily Dickinson · Poet · 1830–1886

Poems

Poem 288 — Dickinson's subversive celebration of solitude over social recognition

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Language information

Language
English
English
Script
Latin
Family
Indo-European
Speakers
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