Definition of optics in English:

optics

plural noun

  • 1The scientific study of sight and the behaviour of light, or the properties of transmission and deflection of other forms of radiation.

    • ‘Seurat proposed making art based upon a scientific understanding of optics and color.’
    • ‘The exhibits cover topics relating to energy, electricity, mechanics, optics, sound, light, and even nuclear energy and astronomy.’
    • ‘Only after Galileo had become famous through his discoveries in the area of mechanics, dynamics and optics, did he admit his Copernican position in print.’
    • ‘With the same energy with which he approached everything, Rayleigh developed laboratory courses in heat, electricity and magnetism, properties of matter, optics, and acoustics.’
    • ‘Franck called in his graduate student, Wilhelm Hanle, who worked in physical optics, and asked if he could understand Wood's findings.’
    • ‘Gregory began to study optics and the construction of telescopes.’
    • ‘In applied mathematics he studied optics, electricity, telegraphy, capillarity, elasticity, thermodynamics, potential theory, quantum theory, theory of relativity and cosmology.’
    • ‘In optics he experimented with mirrors and with lenses.’
    • ‘Other courses Whittaker taught at Cambridge included astronomy, geometrical optics, and electricity and magnetism.’
    • ‘Modern scholarship has not seriously affected his stature in the fields of mathematics, dynamics, celestial mechanics, astronomy, optics, natural philosophy, or cosmology.’
    • ‘He convinced himself of a conspiracy against him, and gave up the study of optics, refusing to correspond with anyone about it.’
    • ‘He published on optics, quantum mechanics, and relativity.’
    • ‘The easiest way to describe light rays and light cones is through geometric optics.’
    • ‘Additional breadth in the curriculum comes from required courses in electronics, optics, an elective specialty course - solid state, for instance - and a senior thesis.’
    • ‘From 1491 to 1494, Copernicus studied mathematics and optics at Krakow University.’
    • ‘This work is an encyclopaedia of mathematics, astronomy, optics and music.’
    • ‘In 1824 David Brewster, famous for his work in optics, was the first author to use the term ‘pyroelectricity.’’
    • ‘From a physics point of view we would also like to leave geometric optics behind and use the wave nature of light rays instead.’
    • ‘But before I do so, there is one further unresolved historical issue to be explored: from whom might Vermeer have learned about optics and lenses?’
    • ‘Regrettably, fluid dynamics is not well covered in standard physics curricula, but the ideas have natural connections to basic conservation laws, optics, and quantum mechanics.’
  • 2North American (typically in a political context) the way in which an event or course of action is perceived by the public:

    ‘the issue itself is secondary to the optics of the Democrats opposing this administration in a high-profile way’
    • ‘A pre-election survey that could result in budget surplus refund cheques creates "brilliant" political optics that could be unbeatable.’
    • ‘With a federal election on the horizon, optics are everything.’
    • ‘White said the optics won't be good for CSC employees who were irked their chief was globe trotting while guards struggled to hammer out a new contract.’
    • ‘But when it began to look like the protesters he brought with him to the legislature were being paid to be there, the optics changed.’
    • ‘You may be entirely right about the optics or the PR aspect of this, that it looks bad for the administration to do this unilaterally without consulting Congress.’
    • ‘The optics are terrible, but it's also a terrible waste of government money.’
    • ‘In politics, optics matter.’
    • ‘One thing is for sure, the policy's optics are bad.’
    • ‘If he'd brought his son along, it would have been better optics but at least he's following my advice.’
    • ‘The "optics" on this are not good judging from the offhand comments I've heard from various people today.’
    • ‘They had no clue about the optics of the situation.’
    • ‘So much of the news in the last week or two has apparently been more for the benefit of optics than for any substance.’
    • ‘However the optics of such a venture are worrisome for McPhail.’
    • ‘The decision may not make for good public optics, since accountability has come to be seen as a key issue in medicare, and there have been allegations that some provinces are pursuing secret agendas to privatize health care.’
    • ‘Life is still not easy in America, and people still suffer, but the optics have changed.’
    • ‘But even if Harper took over, the optics of him forming a quasi-coalition with the Bloc would have been so bad to ensure he'd never win again.’
    • ‘Collins argues that it is not simply US politics which has subtituted optics for politics.’
    • ‘The Republicans understood one thing very well and that was that the optics of legislation are important.’
    • ‘Speaking on RTE radio yesterday morning, he said he never did anything unlawful, but admitted that "the optics on this are not pleasant".’
    • ‘State Transportation Department officials noted in early October that federal officials were concerned about the project's "optics."’

Pronunciation:

optics

/ˈɒptɪks/