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Word of the Day Tuesday, June 9, 2026

quantum

/kwɒntəm/ noun · British & US
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What does quantum mean?

noun

A quantum is a discrete amount of energy or matter, or a minimum amount of something that must be present for a particular phenomenon to occur. In physics, it is a fundamental unit of energy or matter that cannot be divided into smaller parts.

Example

"The discovery of quantum mechanics revolutionized our understanding of the behavior of subatomic particles."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for quantum

Antonyms of quantum

Rhymes with quantum

Etymologically related