stratostat

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[balloon]], usually [[uncrewed]] and filled with [[helium]] or [[hydrogen]], released into the [[stratosphere]] for purposes of [[meteorology]], [[scientific]] [[experiment]], etc.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.