Definition of prism in English:

prism

noun ˈprɪz(ə)mˈprɪzəm

Geometry

1A solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
〔几何〕棱柱（体），角柱（体）
Example sentencesExamples
- We will show that the area of this ring is equal to the area of the corresponding cross section of the dome, which implies that the dome and the punctured prism have equal volumes.
- Ancient stonecutters could thus cleave it perpendicular to the crystal axis to produce hexagonal prisms of any desired length.
- He goes on to consider solid geometry giving results on prisms, cylinders, and spheres.
- You can readily extend the same approach to other polyhedra, such as prisms and antiprisms.
- Volumes of solids such as prisms, pyramids, tetrahedrons, wedges, cylinders and truncated cones are calculated.
1. 1.1Optics A glass or other transparent object in the form of a prism, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colours.
  〔光学〕棱镜，折光物
  Example sentencesExamples
  In their experiments, Descartes, Robert Hooke and Edward Boyle had put a screen close to the other side of the prism and seen that the spot of light came out as a mixture of colour.
  When he passed a thin beam of sunlight through a glass prism Newton noted the spectrum of colours that was formed.
  Newton applied the Method of Analysis to induce the explanatory principle that sunlight comprises rays of differing colours, and that each colour is refracted by the prism through a characteristic angle.
  According to Blondlot, a narrow stream of N-rays was refracted through the prism and produced a spectrum on a field.
  By the use of two mirrors, the fluorescence excitation light of 295-nm wavelength was directed perpendicular onto one of the smallest sides of the quartz prism.
2. 1.2 Used to refer to the clarification or distortion afforded by a particular viewpoint.
  〈喻〉（某种观点带来的）澄清（或歪曲）
  they were forced to imagine the disaster through the prism of television
  Example sentencesExamples
  So information about her youth is inevitably scarce, apart from her own memoirs, which are bound to be somewhat distorted through the prism of time.
  Viewed through the Upper West Side prism in which ‘enlightened’ equals ‘liberal,’ there is some truth to this contention.
  It is most certainly distorted by the prism of your own arrogance and ignorance.
  It's a good rule of thumb because seeing a given action through the prism of someone whose motives you are inclined to view favorably is a good check on unwarranted suspicions.
  From our side of the prism, each and every one of these events is disparate.

Origin

Late 16th century: via late Latin from Greek prisma 'thing sawn', from prizein 'to saw'.

Rhymes

abysm, arrivisme, chrism, chrisom, ism, schism

Definition of prism in US English:

prism

nounˈprizəmˈprɪzəm

Geometry

1A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
〔几何〕棱柱（体），角柱（体）
Example sentencesExamples
- Volumes of solids such as prisms, pyramids, tetrahedrons, wedges, cylinders and truncated cones are calculated.
- Ancient stonecutters could thus cleave it perpendicular to the crystal axis to produce hexagonal prisms of any desired length.
- He goes on to consider solid geometry giving results on prisms, cylinders, and spheres.
- We will show that the area of this ring is equal to the area of the corresponding cross section of the dome, which implies that the dome and the punctured prism have equal volumes.
- You can readily extend the same approach to other polyhedra, such as prisms and antiprisms.
1. 1.1Optics A glass or other transparent object in prism form, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colors.
  〔光学〕棱镜，折光物
  Example sentencesExamples
  According to Blondlot, a narrow stream of N-rays was refracted through the prism and produced a spectrum on a field.
  By the use of two mirrors, the fluorescence excitation light of 295-nm wavelength was directed perpendicular onto one of the smallest sides of the quartz prism.
  In their experiments, Descartes, Robert Hooke and Edward Boyle had put a screen close to the other side of the prism and seen that the spot of light came out as a mixture of colour.
  Newton applied the Method of Analysis to induce the explanatory principle that sunlight comprises rays of differing colours, and that each colour is refracted by the prism through a characteristic angle.
  When he passed a thin beam of sunlight through a glass prism Newton noted the spectrum of colours that was formed.
2. 1.2 Used figuratively with reference to the clarification or distortion afforded by a particular viewpoint.
  〈喻〉（某种观点带来的）澄清（或歪曲）
  they were forced to imagine the disaster through the prism of television
  Example sentencesExamples
  It's a good rule of thumb because seeing a given action through the prism of someone whose motives you are inclined to view favorably is a good check on unwarranted suspicions.
  Viewed through the Upper West Side prism in which ‘enlightened’ equals ‘liberal,’ there is some truth to this contention.
  So information about her youth is inevitably scarce, apart from her own memoirs, which are bound to be somewhat distorted through the prism of time.
  It is most certainly distorted by the prism of your own arrogance and ignorance.
  From our side of the prism, each and every one of these events is disparate.

Origin

Late 16th century: via late Latin from Greek prisma ‘thing sawn’, from prizein ‘to saw’.

词汇	prism
释义	Definition of prism in English: prism noun ˈprɪz(ə)mˈprɪzəm Geometry 1A solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms. 〔几何〕棱柱（体），角柱（体） Example sentencesExamples We will show that the area of this ring is equal to the area of the corresponding cross section of the dome, which implies that the dome and the punctured prism have equal volumes. Ancient stonecutters could thus cleave it perpendicular to the crystal axis to produce hexagonal prisms of any desired length. He goes on to consider solid geometry giving results on prisms, cylinders, and spheres. You can readily extend the same approach to other polyhedra, such as prisms and antiprisms. Volumes of solids such as prisms, pyramids, tetrahedrons, wedges, cylinders and truncated cones are calculated. 1.1Optics A glass or other transparent object in the form of a prism, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colours. 〔光学〕棱镜，折光物 Example sentencesExamples In their experiments, Descartes, Robert Hooke and Edward Boyle had put a screen close to the other side of the prism and seen that the spot of light came out as a mixture of colour. When he passed a thin beam of sunlight through a glass prism Newton noted the spectrum of colours that was formed. Newton applied the Method of Analysis to induce the explanatory principle that sunlight comprises rays of differing colours, and that each colour is refracted by the prism through a characteristic angle. According to Blondlot, a narrow stream of N-rays was refracted through the prism and produced a spectrum on a field. By the use of two mirrors, the fluorescence excitation light of 295-nm wavelength was directed perpendicular onto one of the smallest sides of the quartz prism. 1.2 Used to refer to the clarification or distortion afforded by a particular viewpoint. 〈喻〉（某种观点带来的）澄清（或歪曲） they were forced to imagine the disaster through the prism of television Example sentencesExamples So information about her youth is inevitably scarce, apart from her own memoirs, which are bound to be somewhat distorted through the prism of time. Viewed through the Upper West Side prism in which ‘enlightened’ equals ‘liberal,’ there is some truth to this contention. It is most certainly distorted by the prism of your own arrogance and ignorance. It's a good rule of thumb because seeing a given action through the prism of someone whose motives you are inclined to view favorably is a good check on unwarranted suspicions. From our side of the prism, each and every one of these events is disparate. Origin Late 16th century: via late Latin from Greek prisma 'thing sawn', from prizein 'to saw'. Rhymes abysm, arrivisme, chrism, chrisom, ism, schism Definition of prism in US English: prism nounˈprizəmˈprɪzəm Geometry 1A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms. 〔几何〕棱柱（体），角柱（体） Example sentencesExamples Volumes of solids such as prisms, pyramids, tetrahedrons, wedges, cylinders and truncated cones are calculated. Ancient stonecutters could thus cleave it perpendicular to the crystal axis to produce hexagonal prisms of any desired length. He goes on to consider solid geometry giving results on prisms, cylinders, and spheres. We will show that the area of this ring is equal to the area of the corresponding cross section of the dome, which implies that the dome and the punctured prism have equal volumes. You can readily extend the same approach to other polyhedra, such as prisms and antiprisms. 1.1Optics A glass or other transparent object in prism form, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colors. 〔光学〕棱镜，折光物 Example sentencesExamples According to Blondlot, a narrow stream of N-rays was refracted through the prism and produced a spectrum on a field. By the use of two mirrors, the fluorescence excitation light of 295-nm wavelength was directed perpendicular onto one of the smallest sides of the quartz prism. In their experiments, Descartes, Robert Hooke and Edward Boyle had put a screen close to the other side of the prism and seen that the spot of light came out as a mixture of colour. Newton applied the Method of Analysis to induce the explanatory principle that sunlight comprises rays of differing colours, and that each colour is refracted by the prism through a characteristic angle. When he passed a thin beam of sunlight through a glass prism Newton noted the spectrum of colours that was formed. 1.2 Used figuratively with reference to the clarification or distortion afforded by a particular viewpoint. 〈喻〉（某种观点带来的）澄清（或歪曲） they were forced to imagine the disaster through the prism of television Example sentencesExamples It's a good rule of thumb because seeing a given action through the prism of someone whose motives you are inclined to view favorably is a good check on unwarranted suspicions. Viewed through the Upper West Side prism in which ‘enlightened’ equals ‘liberal,’ there is some truth to this contention. So information about her youth is inevitably scarce, apart from her own memoirs, which are bound to be somewhat distorted through the prism of time. It is most certainly distorted by the prism of your own arrogance and ignorance. From our side of the prism, each and every one of these events is disparate. Origin Late 16th century: via late Latin from Greek prisma ‘thing sawn’, from prizein ‘to saw’.
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