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logarithm

Upper-Intermediate (B2)

IPA: /ˈlɒɡəˌrɪðəm/

KK: /ˈlɔɡəˌrɪðəm/

noun
Definition

A mathematical concept that represents the power to which a specific base number must be raised to obtain another number.


Example

In mathematics, the logarithm helps simplify complex calculations by converting multiplication into addition.


Conversation
Sloth A
I was studying for my math exam, and I came across the concept of logarithm.
Sloth B
Oh really? That can be a bit tricky sometimes.
Sloth A
Yeah, I didn't realize how important the logarithm is for solving equations.
Sloth B
Definitely! It’s one of those things that really helps in advanced math.

Synonyms & Antonyms
Synonyms
exponent
power
function
Antonyms
root
base
constant
Root Explanation

Logarithm → It is formed from "logos" (meaning ratio or proportion) and "arithmos" (meaning number). The word "logarithm" refers to the relationship between numbers in terms of their ratios or proportions, particularly in the context of exponential functions.

Memory Tip

Think of 'ratio' ('logos') and 'number' ('arithmos') to remember that a logarithm describes the relationship between numbers in terms of their ratios.

Visually Confused Words
cologarithm
antilogarithm
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