cross-sectional

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cross-sectional

A scientist examines a cross-sectional diagram of a plant stem.

Definition
  1. Adjective:
    • Representing a plane made by cutting across something at right angles to its length: This describes a view, slice, or analysis that shows the internal structure of an object as if it has been cut straight through perpendicularly to its main axis.
    • Of or relating to a cross section: This pertains to anything involving or derived from such a cut, or more broadly, to a representative sample taken from a larger group at a single point in time.
Usage Examples
  • Adjective:
    • The diagram provides a cross-sectional view of the engine, revealing all the internal components.
    • Researchers conducted a cross-sectional study to analyze the dietary habits of different age groups in 2023.
    • A cross-sectional slice of the tree trunk showed its annual growth rings clearly.
Advanced Usage
  • In research and statistics: A "cross-sectional study" is a type of observational study that analyzes data from a population, or a representative subset, at a specific point in time. It contrasts with longitudinal studies, which observe the same subjects over a period.
    • The cross-sectional survey aimed to capture a snapshot of public opinion immediately after the election.
Variants and Related Words
  • Cross section (noun): 1. A surface or shape exposed by making a straight cut through something, especially at right angles to an axis. 2. A representative sample of a larger group.
    • The architect examined the cross section of the beam.
    • The survey participants formed a cross section of the city's population.
Synonyms
  • Transverse: Situated or extending across something.
  • Representative sample: A subset of a population that accurately reflects the members of the entire population.
Related Phrases
  • Cross-sectional area: The area of a two-dimensional shape obtained when a three-dimensional object is sliced perpendicularly to a specified axis.
    • The cable's strength is determined by its cross-sectional area.
cross-sectional

A scientist examines a cross-sectional diagram of a plant stem.

Adjective
  1. representing a plane made by cutting across something at right angles to its length
    • cross-section views of the neck
  2. of or relating to a cross section
    • a cross-sectional slice

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