Absolute value
WordNet

noun


(1)   A numerical value regardless of its sign
WiktionaryText

Noun



  1. For a real number, its numerical value without regard to its sign; formally, -1 times the number if the number is negative, and the number unmodified if it is zero or positive.
  2. For a complex number, the square root of the sum of the squares of its real and imaginary parts.
 
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