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absolute value
[ ab-suh-loot val-yoo ]
noun
, Mathematics.
- Also called nu·mer·i·cal val·ue [noo-, mer, -i-k, uh, l , val, -yoo, nyoo-]. the magnitude of a quantity, irrespective of sign; the distance of a quantity from zero. The absolute value of a number is symbolized by two vertical lines, as |3| or |−3| is equal to 3.
- the square root of the sum of the squares of the real and imaginary parts of a given complex number, as |a + b i | is equal to .
absolute value
noun
- the positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | – r |
- Also calledmodulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: | x + i y | = √( x ² + y ²), so | 4 + 3i | = 5
absolute value
- The value of a number without regard to its sign. For example, the absolute value of +3 (written ‖+3‖) and the absolute value of −3 (written ‖−3‖) are both 3.
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Word History and Origins
Origin of absolute value1
First recorded in 1905–10
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Example Sentences
But left us not forget that no service has a fixed and absolute value, compared with others.
From Project Gutenberg
I attribute the same absolute value to the physical sciences.
From Project Gutenberg
The absolute value of a thing, then, is its cost in time and expense.
From Project Gutenberg
Most assayers, however, using a micrometer in this way, would like to know its absolute value.
From Project Gutenberg
Those of the first kind give the absolute value of the magnetic elements at the time of observation.
From Project Gutenberg
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