cross section

noun

Definition of cross section

  1. 1 a :  a cutting or piece of something cut off at right angles to an axis; also :  a representation of such a cutting b :  section 3b

  2. 2 :  a measure of the probability of an encounter between particles such as will result in a specified effect (as scattering or capture)

  3. 3 :  a composite representation typifying the constituents of a thing in their relations

cross–section

transitive verb

cross–sectional

play \ˈkrȯs-ˈsek-shnəl, -shə-nəl\ adjective

Examples of cross section in a sentence

  1. a detailed cross section of the human brain

  2. The drawing showed the human brain in cross section.

  3. The class surveyed a cross section of the student body.

  4. The people in our neighborhood are a representative cross section of American society.

1835

First Known Use of cross section

1835


CROSS SECTION Defined for English Language Learners

cross section

noun

Definition of cross section for English Language Learners

  • : 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 Defined for Kids

cross section

noun

Definition of cross section for Students

  1. 1 :  a cutting made across something (as a log or an apple)

  2. 2 :  a view showing what the inside of something looks like after a cut has been made through it

  3. 3 :  a small group that includes examples of the different types of people or things in a larger group <a cross section of voters>


Medical Dictionary

cross section

noun

Medical Definition of cross section

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

cross–sectional

\ˌkrȯ(s)-ˈsek-shnəl, -shən-əl\play adjective


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