a section made by a plane cutting anything transversely, especially at right angles to the longest axis.
a piece so cut off.
a photograph, diagram, or other pictorial representation of such a section.
the act of cutting anything across.
a typical selection; a sample showing all characteristic parts, relationships, etc.: a cross section of American opinion.
Surveying. a vertical section of the ground surface taken at right angles to a survey line.
Also called nuclear cross section.Physics. a quantity expressing the effective area that a given nucleus presents as a target to a bombarding particle, giving a measure of the probability that the particle will induce a reaction.
The show presents a cross-section of works that blur the line between the humorous and absurd.
These Young Artists Want You to Feel Something|Chloë Ashby|November 29, 2013|DAILY BEAST
“I just want the work to reach as large a cross-section of people as possible,” Montgomery said.
Robert Montgomery’s Words of Wisdom|Amelia Martyn-Hemphill|September 12, 2013|DAILY BEAST
The Tony Award nominees, announced Tuesday, are a cross-section of Most Talented and Most Popular.
What the Critics Missed in the Tony Award Nominations|Janice Kaplan|May 3, 2012|DAILY BEAST
The Supreme Court is not supposed to comprise a cross-section of the American public, or of the American legal profession.
In Defense of the Ivy League|Peter Beinart|May 14, 2010|DAILY BEAST
But consciousness is a cross-section or a projection of things made by their interaction with a nervous system.
Creative Intelligence|John Dewey, Addison W. Moore, Harold Chapman Brown, George H. Mead, Boyd H. Bode, Henry Waldgrave, Stuart James, Hayden Tufts, Horace M. Kallen
A cross-section of this cone in a board sawed from the trunk is a knot.
Trees Worth Knowing|Julia Ellen Rogers
The hull in most submarines is circular in cross-section; the circular form is best adapted for withstanding pressure.
The Submarine in War and Peace|Simon Lake
In the tree trunks with which we are familiar, everyone has observed the concentric rings of wood that appear in a cross-section.
Birds and All Nature, Vol. VI, No. 3, October 1899|Various
Let us take as our starting point the notion of a cross-section picture of society.
The Value of Money|Benjamin M. Anderson, Jr.
British Dictionary definitions for cross section
cross section
noun
mathsa plane surface formed by cutting across a solid, esp perpendicular to its longest axis
a section cut off in this way
the act of cutting anything in this way
a random selection or sample, esp one regarded as representativea cross section of the public
surveyinga vertical section of a line of ground at right angles to a survey line
physicsa measure of the probability that a collision process will result in a particular reaction. It is expressed by the effective area that one participant presents as a target for the other
random sample, sampling, representation, sample, transection
Scientific definitions for cross section
cross section
In particle physics, an expression of the probability of the occurrence of an event, typically the scattering of subatomic particles, over a given area.