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Word of the Day Tuesday, June 9, 2026

surds

/sɜːrdz/ noun · British & US
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What does surds mean?

noun

A surd is a number that cannot be expressed as a finite decimal or fraction. It is an irrational number that has a non-repeating, non-terminating decimal expansion.

Example

"The ancient Greeks were fascinated by the properties of surds and their applications in geometry."

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

Synonyms for surds

Antonyms of surds

Rhymes with surds

Etymologically related