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commutative

Upper-Intermediate (B2)

IPA: /kəˈmjuːtətɪv/

KK: /kəˈmjuːtətɪv/

adjective
Definition

This word describes a property of certain mathematical operations where changing the order of the numbers does not change the result. For example, in addition, 2 + 3 is the same as 3 + 2.


Example

Addition is a commutative operation because the order of the numbers does not affect the sum.


Conversation
Sloth A
Did you know that addition is a commutative operation?
Sloth B
Really? I never thought about it that way.
Sloth A
Yeah, it means you can add numbers in any order.
Sloth B
That makes math a bit easier to understand!

Synonyms & Antonyms
Synonyms
interchangeable
reversible
substitutable
Antonyms
noncommutative
fixed
irrevocable
Root Explanation

Commutative → It is formed from "com-" (meaning together) and "mutare" (meaning to change). The word describes a property in mathematics where the order of operations does not affect the outcome, indicating that elements can be changed or rearranged together.

Memory Tip

Think of 'changing together' — 'com-' means together, and 'mutare' means to change. This helps you remember that 'commutative' refers to the ability to change the order without changing the result.

Visually Confused Words
uncommutative
computative
noncommutative
comitative
mutative
nonmutative
confutative
combative
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