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Word of the Day Tuesday, June 9, 2026

iso

/ˈaɪsoʊ/ noun, prefix · British & US
Valid in UK
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What does iso mean?

noun, prefix

A prefix derived from Greek 'isos' meaning equal or same, used in various scientific and technical contexts to denote equality or similarity.

Example

"The term 'isotonic' refers to a solution having the same osmotic pressure as another solution."

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

Synonyms for iso

Antonyms of iso

Rhymes with iso

Etymologically related