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Word of the Day Wednesday, June 10, 2026

cosmonautics

/kɒzməˈnɒtɪks/ noun · British & US
Valid in UK
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What does cosmonautics mean?

noun

The science or practice of space travel and exploration, especially the technology and techniques involved in sending spacecraft into space.

Example

"The cosmonautics program was a major achievement for the space agency."

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

Synonyms for cosmonautics

Antonyms of cosmonautics

Rhymes with cosmonautics

Etymologically related