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cross sectionalso cross-sec·tion (krôs′sĕk′shən, krŏs′-)
a. A section formed by a plane cutting through an object, usually at right angles to an axis.
b. A piece so cut or a graphic representation of such a piece.
2. Physics A quantity, measured in units of barns, used to express the probability of an encounter between particles over a given area in a collision. Also called collision cross section.
3. Statistics A sample meant to be representative of a whole population.
4. Informal A variety; a diversity.
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|Adj.||1.||cross-sectional - of or relating to a cross section; "a cross-sectional slice"|
|2.||cross-sectional - representing a plane made by cutting across something at right angles to its length; "cross-section views of the neck"|
crosswise - lying or extending across the length of a thing or in a cross direction; "a crosswise street"; "the crosswise dimension"