14 results for: Prism

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

prism

Audio Help [priz-uh

m] Pronunciation Key

–noun

1.	Optics. a transparent solid body, often having triangular bases, used for dispersing light into a spectrum or for reflecting rays of light.

2.	Geometry. a solid having bases or ends that are parallel, congruent polygons and sides that are parallelograms.

3.	Crystallography. a form having faces parallel to the vertical axis and intersecting the horizontal axes.

[Origin: 1560–70; < LL prīsma < Gk prǐsma lit., something sawed, akin to przein to saw, prīstés sawyer

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Prism

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American Heritage Dictionary - Cite This Source - Share This

prism Audio Help (prĭz'əm) Pronunciation Key
n.

A solid figure whose bases or ends have the same size and shape and are parallel to one another, and each of whose sides is a parallelogram.
A transparent body of this form, often of glass and usually with triangular ends, used for separating white light passed through it into a spectrum or for reflecting beams of light.
A cut-glass object, such as a pendant of a chandelier.
A crystal form consisting of three or more similar faces parallel to a single axis.
A medium that misrepresents whatever is seen through it.

[Late Latin prīsma, from Greek prīsma, thing sawed off, prism, from prīzein, to saw, variant of prīein.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
prism

1570, a type of solid figure, from L.L. prisma (Martianus Capella), from Gk. prisma (Euclid), lit. "something sawed," from prizein "to saw." Meaning in optics is first attested 1612.

WordNet - Cite This Source - Share This

prism
noun
1.	a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
2.	optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image

Kernerman English Multilingual Dictionary - Cite This Source - Share This
prism1 [ˈprizm] noun

a solid figure whose sides are parallel and whose two ends are the same in shape and size

Arabic:	مَوْشور
Chinese (Simplified):	棱柱
Chinese (Traditional):	棱柱
Czech:	hranol
Danish:	prisme
Dutch:	prisma
Estonian:	prisma
Finnish:	särmiö
French:	prisme
German:	das Prisma
Greek:	πρίσμα
Hungarian:	hasáb
Icelandic:	(marg)strendingur
Indonesian:	prisma
Italian:	prisma

Japanese:	角柱
Korean:	각주(角柱)
Latvian:	prizma
Lithuanian:	prizmė
Norwegian:	prisme
Polish:	graniastosłup
Portuguese (Brazil):	prisma
Portuguese (Portugal):	prisma
Romanian:	prismă
Russian:	призма
Slovak:	hranol
Slovenian:	prizma
Spanish:	prisma
Swedish:	prisma
Turkish:	prizma

prism2 [ˈprizm] noun

a glass object of this shape, usually with triangular ends, which breaks up a beam of white light into the colours of the rainbow

Arabic:	مَنشور
Chinese (Simplified):	棱镜
Chinese (Traditional):	棱鏡
Czech:	prizma
Danish:	prisme
Dutch:	prisma
Estonian:	prisma
Finnish:	prisma
French:	prisme
German:	das Prisma
Greek:	πρίσμα
Hungarian:	prizma
Icelandic:	prisma, strendingur
Indonesian:	prisma
Italian:	prisma

Japanese:	プリズム
Korean:	프리즘, 스펙트럼
Latvian:	prizma
Lithuanian:	prizmė
Norwegian:	prisme
Polish:	pryzmat
Portuguese (Brazil):	prisma
Portuguese (Portugal):	prisma
Romanian:	prismă
Russian:	призма
Slovak:	prizma
Slovenian:	prizma
Spanish:	prisma
Swedish:	prisma
Turkish:	prizma

The American Heritage Science Dictionary - Cite This Source - Share This

prism Audio Help (prĭz'əm) Pronunciation Key

A geometric solid whose bases are congruent polygons lying in parallel planes and whose sides are parallelograms.
A solid of this type, often made of glass with triangular ends, used to disperse light and break it up into a spectrum.
A crystal form having 3, 4, 6, 8, or 12 faces parallel to the vertical axis and intersecting the horizontal axis.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
prism [(priz-uhm)]

A solid figure in geometry with bases or ends of the same size and shape and sides that have parallel edges. Also, an object that has this shape.

Note: A prism of glass (or a similar transparent material) can be used to bend different wavelengths of light by different amounts through refraction. This bending separates a beam of white light into a spectrum of colored light.

[Chapter:] Physical Sciences and Mathematics

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

prism (przm)
n.

A solid figure whose bases or ends have the same size and shape and are parallel to one another, and each of whose sides is a parallelogram.
A transparent body of this form, often of glass and usually with triangular ends, used for separating white light passed through it into a spectrum or for reflecting beams of light.
Such a body used in testing or correcting imbalance of the extrinsic ocular muscles.

pris·matic (-m

k) adj.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: prism
Pronunciation: 'priz-&m
Function: noun
1 : a polyhedron with two polygonal faces lying in parallel planes and with the other faces parallelograms
2 : a transparent body that is bounded in part by two nonparallel plane faces and is used to refract or disperse a beam of light
3 : a crystal form whose faces are parallel to one axis; especially : one whose faces are parallel to the vertical axis

Free On-line Dictionary of Computing - Cite This Source - Share This

PRISM
A distributed logic language.
["PRISM: A Parallel Inference System for Problem Solving", S. Kasif et al, Proc 1983 Logic Prog Workshop, pp. 123-152].

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Prism

Ach`ro*mat"ic\, a. [Gr. ? colorless; 'a priv. + ?, ?, color: cf. F. achromatique.]

1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors.

2. (Biol.) Uncolored; not absorbing color from a fluid; -- said of tissue.

Achromatic lens (Opt.), a lens composed usually of two separate lenses, a convex and concave, of substances having different refractive and dispersive powers, as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed.

Achromatic prism. See Prism.

Achromatic telescope, or microscope, one in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass, and which gives images free from extraneous color.

Acronym Finder - Cite This Source - Share This

PRISM

PRISM: in Acronym Finder

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