This page has 4 definitions of optics in English. Optics is a noun. Examples of how to use optics in a sentence are shown. Also define these 7 related words and terms: physics, light, vision, perception, image, public relations, and optic.
- (Received Pronunciation) IPA(key): /ˈɒptɪks/
Audio (RP) (file)
- (General American) IPA(key): /ˈɑptɪks/
- (physics) The physics of light and vision.
Light definitionVisible electromagnetic radiation. The human eye can typically detect radiation (light) in the wavelength range of about 400 to 750 nanometers. Nearby shorter and longer wavelength ranges, although not visible, are commonly called ultraviolet and infrared light. (1 of 16 light definitions)
- The light-related aspects of a device.
- The optics of this telescope are particularly good.
- 2013 September-October, Henry Petroski, “The Evolution of Eyeglasses”, in American Scientist:
- 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, […] .
- (figuratively) Perception, image, public relations.
- 2007 January 1, Mark Steyn, “Blowing a 'hinge moment' of history”, in The Jerusalem Post:
- […] 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.
- 2015 September 28, Vanessa Barford, quoting Dan Neil, “Pope Francis and the little black car”, in BBC News:
- "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."
- opticks (obsolete)
- plural of