Look up absolute unit in Wiktionary, the free dictionary.

Absolute number may refer to:

• Quantity, a property that can exist as a multitude or magnitude

• Absolute value, the non-negative value of a real number without regard to its sign
• Absolute error, the absolute value of an approximation error in some data
• Absolute difference, the absolute value of the difference of two real numbers
• Absolute pseudoprime, a class of pseudoprimes that come from Fermat's little theorem
• Absolute scale, system of measurement that begins at a zero point and progresses in only one direction

• Absolute zero, the lowest limit of the thermodynamic temperature scale
• Absolute magnitude, a measure of the luminosity of a celestial object
• Relative change and difference, used to compare two quantities taking into account the "sizes" of the things being compared
• Absolute (disambiguation)
• Number (disambiguation)

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