CROSS SECTION • E-FREE TRANSLATION.COM • Definition of Cross section

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/krɔs sˈɛkʃən/ Listen

Cross section

noun

A section created by a plane cutting a solid perpendicular to its longest axis.

A sample meant to be representative of a whole population.

(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns.

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"Cross section" Quotes from Famous Books

... drill too deep. Make each hole just deep enough so that the connector will come off easily. Fig. 192 shows a cross section of a post and connector drilled to the proper depth. Notice that you need not drill down the whole depth of the connector, because the bottom part is ...

— The Automobile Storage Battery - Its Care And Repair • O. A. Witte

... the air. These always burst on percussion. The constant noise of our own guns is really worse on the nerves than the shell; there is the deafening noise, and the constant whirr of shells going overhead. The earth shakes with every nearby gun and every close shell. I think I may safely enclose a cross section of our position. The left is the front: a slope down of 20 feet in 100 yards to the canal, a high row of trees on each bank, then a short 40 yards slope up to the summit of the trench, where the brain of the outfit was; then a telephone wired ...

— In Flanders Fields and Other Poems - With an Essay in Character, by Sir Andrew Macphail • John McCrae

... which people met to consider together their basic dependence upon fire and warmth, had a curious challenge of life about them. Because the cooperators knew what it meant to bring forth children in the midst of privation and to see the tiny creatures struggle for life, their recitals cut a cross section, as it were, in that world-old effort—the "dying to live" which so inevitably triumphs over poverty and suffering. And yet their very familiarity with hardship may have been responsible for that ...

— Twenty Years At Hull House • Jane Addams

... a perspective of the piston itself, or the "spider," with its follower and its rings removed, which are shown in Fig. 2. Fig. 3 is a cross section of another form of the piston, to be presently described, but which will serve to explain that shown in Figs. 1 and 2. Next to the core of the spider are two narrow internal rings, A, in Figs. 1 and 3; surrounding these two outer rings, B, the cross section ...

— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various