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Word of the Day Tuesday, June 9, 2026

spheroid

/ˈsfɪəraɪd/ noun · British & US
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What does spheroid mean?

noun

A three-dimensional shape that approximates a sphere, but is not perfectly spherical. A spheroid can be either oblate (flattened at the poles) or prolate (elongated at the poles).

Example

"The planet Mercury is an oblate spheroid, meaning it is slightly flattened at the poles."

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

Synonyms for spheroid

Antonyms of spheroid

Rhymes with spheroid

Etymologically related