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Word of the Day Tuesday, June 9, 2026

helio

/hɪˈloʊ/ noun · British & US
Valid in UKValid in US
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What does helio mean?

noun

A helio is a device that uses sunlight to heat water or air, often used in solar water heaters or space heaters. It can also refer to a type of solar oven.

Example

"The family installed a helio in their backyard to heat their pool during the winter months."

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

Synonyms for helio

Antonyms of helio

Rhymes with helio

Etymologically related