MANTISSA

mantissa, fixed-point part

(noun) the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808

Source: WordNet® 3.1


Etymology

Noun

mantissa (plural mantissas or mantissae)

(obsolete) A minor addition to a text.

(mathematics) The part of a common logarithm after the decimal point, the fractional part of a logarithm.

(mathematics, computing) The significand; that part of a floating-point number or number in scientific notation that contains its significant digits.

Synonym: significand

Usage notes

The use of mantissa to refer to significant digits in a floating point number or scientific notation is discouraged by some in favor of significand, due to earlier distinct usage for the logarithm. It remains in widespread use in the US, however.

Anagrams

• Satanism, Satnamis, amastins, satanism, staminas

Source: Wiktionary


Man*tis*sa, n. Etym: [L., an addition, makeweight; of Tuscan origin.] (Math.)

Definition: The decimal part of a logarithm, as distinguished from the integral part, or characteristic.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

1 June 2025

BACKFIRE

(verb) come back to the originator of an action with an undesired effect; “Your comments may backfire and cause you a lot of trouble”; “the political movie backlashed on the Democrats”


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International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.

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