cross product

noun Mathematics.

a vector perpendicular to two given vectors, u and v, and having magnitude equal to the product of the magnitudes of the two given vectors multiplied by the sine of the angle between the two given vectors, usually represented by u × v.

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Also called outer product, vector product.

Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Cross product is always a great word to know.

So is finite. Does it mean:

the third power of a quantity such as a cubed = a?a?a

a set of elements capable of being completely counted and not zero

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Collins

World English Dictionary

cross product

—n
1.	another name for vector product
2.	another name for Cartesian product

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage

Science Dictionary

cross product
See vector product.

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