mantissa
The part of a common logarithm after the decimal point, the fractional part of a logarithmThe part of a common logarithm after the decimal point, the fractional part of a logarithm.
Meaning
3 sensesThe part of a common logarithm after the decimal point, the fractional part of a logarithm.
Mantisse
манти́ссаmantíssa
the positive fractional part of the representation of a logarithm; in the expression ‘log 643 = 2.808’ the mantissa is .808
The significand; that part of a floating-point number or number in scientific notation that contains its significant digits.
(obsolete)A minor addition to a text.
Translations
7 languagesBy meaning 1
By meaning 1
Origin
Borrowed from Latin mantissa, mantīsa, of unknown origin (said by Festus to be a loanwordBorrowed 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). Coincidentally, proparoxytone Greek μάντισσα (mántissa) means "female foreteller", as in χαρτομάντισσα (chartomántissa, “cartomancer”) or χειρομάντισσα (cheiromántissa, “chiromancer”).
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Forms
plural: mantissas / mantissaeSynonyms
2 synonyms- the positive fractional part of the representation of a logarithm; in the expression ‘log 643 = 2.808’ the mantissa is .808:fixed-point part
Lessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular