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Raretrial balloon
The correct spelling is trial balloon.
How to pronounce trial balloon
/ˌtɹaɪəl bəˈluːn/
nounIPA: /ˌtɹaɪəl bəˈluːn/
Say it like: Tria-l b-all-oon
The correct spelling is trial balloon. A small balloon released into the sky to determine the direction and tendency of winds in the upper air before a manned ascent in a larger balloon; a ballon d'essai.
Usage Examples
No usage examples in context are available for this word.
Definition
noun
- 1.A small balloon released into the sky to determine the direction and tendency of winds in the upper air before a manned ascent in a larger balloon; a ballon d'essai.
- 2.An idea, suggestion, or prospective action, product, etc., offered to an audience or group in order to test whether it generates acceptance or interest.
Similar words
Words related in meaning — check their spelling too.