optics

O1P3T1I1C3S1
UK/ˈɒptɪks/US/ˈɑptɪks/

noun

The physics of light and vision: basic optical science.

“a PhD in the optics of liquid crystals”

Meanings

optics1

nounoptics sg or pl

alternative obsolete opticks

  1. pluralsingularnatural sciencesThe physics of light and vision: basic optical science.

    a PhD in the optics of liquid crystals

  2. pluralsingularTechnology that makes use of such physics: applied optical science; business lines making use of such technology.

    defense R&D investments in both optics and electronics

  3. pluralsingularThe light-related aspects of a device.

    The optics of this telescope are particularly good.

    2 more examples

    the optics of liquid crystals under certain laboratory conditions

    Digging deeper, the invention of eyeglasses is an elaboration of the more fundamental development of optics technology. The ability of a segment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical segment was called a reading stone,[…].

    2013 September-October, Henry Petroski, “The Evolution of Eyeglasses”, in American Scientist
  4. figurativelypluralsingularPerception, image, public relations, especially in politics.

    Near-synonyms: appearances, spectacle, theatrics; choreography

    5 more examples

    His policy prescription was sound, but the optics were horrible.

    […] I'd be interested to know whether US authorities proffered any "advice" on the optics: Ixnay on the torture dungeon, […]; if you have to have victims' loved ones present, go for the widows and photogenic orphans rather than Moqtada's boys.

    2007 January 1, Mark Steyn, “Blowing a 'hinge moment' of history”, in The Jerusalem Post

    When President Obama responded to the failed Christmas airliner bombing while on vacation in his native state of Hawaii, some Republicans claimed it was “bad optics.” “Hawaii to many Americans seems like a foreign place,” the Republican strategist Kevin Madden told CNN.

    2010 March 4, Ben Zimmer, “Optics”, in The New York Times, →ISSN, archived from the original on 12 Jul 2019

    "There's also a gentle nod to the Vatican and Italy, which shows the Pope is not above playing a little optics - I'm sure he and the CEO of Fiat have met."

    2015 September 28, Vanessa Barford, quoting Dan Neil, “Pope Francis and the little black car”, in BBC News, archived from the original on 30 Apr 2023

    “The optics weren’t good. Next time tell them not to bring guns”

    2021 February 9, David D. Kirkpatrick, Mike McIntire, quoting Mike Shirkey, “‘Its Own Domestic Army’: How the G.O.P. Allied Itself With Militants”, in The New York Times, →ISSN, archived from the original on 16 Mar 2021

    Synonyms: appearances, spectacle, theatrics, choreography

optics2

noun
  1. pluralplural of optic

Synonyms & antonyms

nounPerception, image, public relations, especially in politics.

Origin

  1. Ancient Greekὀπτικός
  2. Medieval Latinopticus“optic, optical”
  3. Englishoptics

From Medieval Latin opticus (“optic, optical”), from Ancient Greek ὀπτικός (optikós), equivalent to optic + -ics.

Full word history & related roots →

Translations

Ancient Greek ὀπτικά
  • ὀπτικά (optiká)physics of light and vision
Arabic بَصَرِيَّات
  • بَصَرِيَّات (baṣariyyāt)physics of light and vision
Bulgarian оптика, оптика
  • оптика (optika)physics of light and vision
  • оптика (optika)the light-related aspects of a device
Catalan òptica
  • òpticaphysics of light and vision
Chinese Mandarin 光學 /光学
  • 光學 /光学 (guāngxué)physics of light and vision
Czech optika
  • optikaphysics of light and vision
Dutch optica, optiek
  • opticaphysics of light and vision
  • optiekphysics of light and vision
Finnish optiikka, valo-oppi
  • optiikkaphysics of light and vision
  • valo-oppiphysics of light and vision
German Optik
  • Optikphysics of light and vision
Greek οπτική
  • οπτική (optikí)physics of light and vision
Hebrew אופטיקה, תורת האור
  • אופטיקה (óptika)physics of light and vision
  • תורת האור (torat ha-ór)physics of light and vision
  • אופטיקה (óptika)the light-related aspects of a device
Hindi प्रकाशिकी
  • प्रकाशिकी (prakāśikī)physics of light and vision
Hungarian optika, fénytan
  • optikaphysics of light and vision
  • fénytanphysics of light and vision
Icelandic ljósfræði, sjónfræði
  • ljósfræðiphysics of light and vision
  • sjónfræðiphysics of light and vision
Indonesian optika
  • optikaphysics of light and vision
Irish optaic, radharceolaíocht
  • optaicphysics of light and vision
  • radharceolaíochtphysics of light and vision
Italian ottica
  • otticaphysics of light and vision
Japanese 光学
  • 光学 (kōgaku)physics of light and vision
Korean 광학
  • 광학 (gwanghak)physics of light and vision
Malay optik
  • optikphysics of light and vision
Norwegian Bokmål optikk, optikk
  • optikkphysics of light and vision
  • optikkthe light-related aspects of a device
Persian نورشناسی
  • نورشناسی (nur-šenâsi)physics of light and vision
Polish optyka
  • optykaphysics of light and vision
Portuguese óptica
  • ópticaphysics of light and vision
Punjabi ਪ੍ਰਕਾਸ਼ ਵਿਗਿਆਨ, ਚਾਨਣ ਵਿਗਿਆਨ
  • ਪ੍ਰਕਾਸ਼ ਵਿਗਿਆਨ (prkāś vigiāna)physics of light and vision
  • ਚਾਨਣ ਵਿਗਿਆਨ (cānaṇ vigiāna)physics of light and vision
Russian о́птика, о́птика
  • о́птика (óptika)physics of light and vision
  • о́птика (óptika)the light-related aspects of a device
Spanish óptica
  • ópticaphysics of light and vision
Swedish optik
  • optikphysics of light and vision
Tagalog dalubsugaan, sugaan
  • dalubsugaanphysics of light and vision
  • sugaanphysics of light and vision
Thai ทรรศนศาสตร์
  • ทรรศนศาสตร์ (táts-ná-sàat)physics of light and vision
Ukrainian о́птика
  • о́птика (óptyka)physics of light and vision
Vietnamese quang học
  • quang họcphysics of light and vision
Welsh opteg
  • optegphysics of light and vision

Rhymes & wordplay

Anagrams

Cite this entry
APA

optics. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/optics

MLA

“optics.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/optics. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “optics,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/optics.

Source: optics on Wiktionary, CC BY-SA 4.0.