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 section (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 On May 25, the corner of 38th Street and Chicago Avenue was alive in its usual way, attracting a cross section of Twin Cities residents handling life’s most mundane rituals: Filling up a gas tank. New York Times, "‘I Was Failing’: Bystanders Carry Guilt From Watching George Floyd Die," 3 Apr. 2021 On May 25, the corner of 38th Street and Chicago Avenue was alive in its usual way, attracting a cross section of Twin Cities residents handling life’s most mundane rituals: filling up a gas tank, taking a stroll, buying dinner. BostonGlobe.com, "‘I was failing’: Bystanders carry guilt from watching George Floyd die," 3 Apr. 2021 The elevator whisks me to the 43rd floor, where a cross section of the mattress has been installed to better exhibit its contents: horsehair, cotton, wool, flax. Chloe Schama, Vogue, "Would You Go to a Hotel Just to Sleep?," 6 Apr. 2021 The new framework comes from a cross section of Democrats—Finance Committee Chairman Ron Wyden (D., Ore.), progressive labor union ally Sherrod Brown (D., Ohio) and Mark Warner (D., Va.), who built his fortune investing in companies. Richard Rubin, WSJ, "Senate Democrats Pitch Their International Corporate Tax Plan," 5 Apr. 2021 It's credited, for instance, with insights that helped reduce the radar cross section of the Arleigh Burke-class destroyers. Abe Dane, Popular Mechanics, "Remembering the Sea Shadow, America's 'Invisible Warship'," 3 Dec. 2020 Both voting and non-voting adults were included in the poll, which sampled a cross section of Oregonians. oregonlive, "Oregonians’ negative view of Gov. Kate Brown hits all-time high, residents favor gun restrictions, landlord relief, police use of tear gas, poll finds," 18 Mar. 2021 End-grain boards are formed by using pieces of wood cut parallel to the ground, like a cross section. Washington Post, "How to care for your wood cutting board so it lasts a lifetime," 1 Mar. 2021 The Washington Examiner reached out to a cross section of companies and industry associations to better understand which ones are likely to benefit and which will get dealt weaker hands. Jeremy Lott, Washington Examiner, "Business sectors consider impact of Biden administration," 21 Jan. 2021

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

27 Apr 2021

Cite this Entry

“Cross section.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cross%20section. Accessed 12 May. 2021.

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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 section (audio) \ adjective

Comments on cross section

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