1
: a polyhedron with two polygonal faces lying in parallel planes and with the other faces parallelograms
2
a
: a transparent body that is bounded in part by two nonparallel plane faces and is used to refract or disperse a beam of light
b
: a prism-shaped decorative glass luster
3
: a crystal form whose faces are parallel to one axis
especially : one whose faces are parallel to the vertical axis
4
: a medium that distorts, slants, or colors whatever is viewed through it

Examples of prism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Nebulas are rectangular prisms with colorful star formations suspended within. Meghan Herbst, WIRED, 26 Nov. 2024 Cash should not be viewed through the same prism as Digne. Jacob Tanswell, The Athletic, 21 Nov. 2024 Reimagining Health And Wealth Viewing consumers' lives through the prism of vitality allows for the reimagining of the relationship between health and wealth. Justin Wartell, Forbes, 6 Nov. 2024 Almost everyone in politics looks at issues through this prism. Hannah Parry, Newsweek, 1 Nov. 2024 See all Example Sentences for prism 

Word History

Etymology

Late Latin prismat-, prisma, from Greek, literally, anything sawn, from priein to saw

First Known Use

1570, in the meaning defined at sense 1

Time Traveler
The first known use of prism was in 1570

Dictionary Entries Near prism

Cite this Entry

“Prism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prism. Accessed 21 Dec. 2024.

Kids Definition

prism

noun
1
: a polyhedron with two opposite ends that are parallel polygons and faces that are each parallelograms
2
: a transparent object that usually has three sides and bends light so that it breaks up into rainbow colors

Medical Definition

prism

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

More from Merriam-Webster on prism

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