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pos'itive def'inite



Math.
1. (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
2. (of a matrix) displaying the coefficients of a positive definite quadratic form.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

positive crankcase ventilationpositive electricity

 

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