cross section

noun

Definition of cross section

1a : a cutting or piece of something cut off at right angles to an axis also : a representation of such a cutting
2 : a measure of the probability of an encounter between particles such as will result in a specified effect (such as scattering or capture)
3 : a composite representation typifying the constituents of a thing in their relations

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Other Words from cross section

cross-section transitive verb
cross-sectional \ ˈkrȯs-​ˈsek-​shnəl How to pronounce cross-sectional (audio) , -​shə-​nᵊl \ adjective

Synonyms for cross section

Synonyms

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Examples of cross section in a Sentence

a detailed cross section of the human brain The drawing showed the human brain in cross section. The class surveyed a cross section of the student body. The people in our neighborhood are a representative cross section of American society.
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Recent Examples on the Web This entire figure is a cross section of a hollow object that is created by the solid of revolution of the plane figure. Quanta Magazine, "How to Design a Perpetual Energy Machine," 1 Apr. 2020 Fortune Analytics, our new data service for premium subscribers, worked with Survey Monkey to reach a representative cross section of more than 2,000 Americans. David Meyer, Fortune, "Bear market blues," 13 Mar. 2020 Those here represent a thorough cross section of the market, with nearly every manufacturer making an appearance. Roy Berendsohn, Popular Mechanics, "The Best Robot Mowers to Take Care of the Lawn for You," 17 Jan. 2020 Its structure mirrors the cross section of a felled tree, with its outermost rings of narrative taking place 18 years in the future and its innermost chapter going all the way back to 1908. Michael Upchurch, New York Times, "It’s 2038. The World Is Dust and Forests Are Scarce.," 25 Feb. 2020 For the exhibition’s present-day reincarnation, the Archives of American Art wanted to address a flaw in the original show to ensure that a more representative cross section of artists from the U.S. and abroad participated. Lila Thulin, Smithsonian Magazine, "More Than Forty Years Later, Artists Answer a Still-Relevant Question: ‘What Is Feminist Art?’," 6 Mar. 2020 As part of a wide-ranging strategic review, the Powell Fed has also reached out to a cross section of Americans — from small business owners to food bank managers — to get their feedback on how the central bank is doing. Washington Post, "Powell Steers for Economic Soft Landing Thwarted Twice by Trump," 10 Dec. 2019 Post-scan, all those images were reconstructed into slices (2D cross sections) of each manikin and then stacked together to produce the final 3D image. Jennifer Ouellette, Ars Technica, "CT scans confirm 17th-century medical mannikins are mostly made of ivory," 27 Nov. 2019 On a recent Monday, Jason Berlin led a group of activists registering voters at Saddleback College, a Mission Viejo community college that is a cross section of the county’s young voters. Joe Garofoli, SFChronicle.com, "Flipping Orange County was key for Democrats. Now the trick is to keep it," 1 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cross section.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cross section

1835, in the meaning defined at sense 1a

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Time Traveler for cross section

Time Traveler

The first known use of cross section was in 1835

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Statistics for cross section

Last Updated

6 May 2020

Cite this Entry

“Cross section.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross%20section. Accessed 30 May. 2020.

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More Definitions for cross section

cross section

noun

English Language Learners Definition of cross section

: a view or drawing that shows what the inside of something looks like after a cut has been made across it
: a small group that includes examples of the different types of people or things in a larger group

cross section

noun

Kids Definition of cross section

1 : a cutting made across something (as a log or an apple)
2 : a view showing what the inside of something looks like after a cut has been made through it
3 : a small group that includes examples of the different types of people or things in a larger group a cross section of voters

cross section

noun

Medical Definition of cross section

: a cutting or piece of something cut off at right angles to an axis also : a representation of such a cutting

Other Words from cross section

cross-sectional \ ˌkrȯ(s)-​ˈsek-​shnəl, -​shən-​ᵊl How to pronounce cross-sectional (audio) \ adjective

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Comments on cross section

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