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mantissa

Upper-Intermediate (B2)

IPA: /mænˈtɪsə/

KK: /mænˈtɪsə/

noun
Definition

The part of a logarithm that comes after the decimal point, representing the fractional value.


Example

In the logarithm 2.95424, the mantissa is 0.95424.


Conversation
Sloth A
Have you ever heard of the term mantissa?
Sloth B
Yeah, I think it refers to the decimal part of a logarithm, right?
Sloth A
Exactly! So in a number like 2.95424, the mantissa would be 0.95424.
Sloth B
That's pretty cool; I never realized it had such a specific meaning!

Synonyms & Antonyms
Synonyms
fraction
decimal
remainder
Antonyms
Root Explanation

Mantissa → It is derived from the Latin word 'mantissa' (meaning a small addition or something added). The term originally referred to a fractional part of a logarithm or a number, emphasizing the concept of an addition to a whole.

Memory Tip

Think of 'something added' in Latin when you hear 'mantissa' — it helps you remember that it refers to the fractional part added to a whole number.

Visually Confused Words

No commonly confused words.

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