Unscramble

m 3 a 1 n 1 t 1 i 1 s 1 s 1 a 1

8 letters · 10 points in Scrabble

Meaning

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

originBorrowed from Latin mantissa, mantīsa, of unknown origin (said by Festus to be a loanword from Etruscan, but it may actually be from Celtic, possibly through Etruscan mediation).

Etymology from Wiktionary, CC BY-SA 3.0

Also spells

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