Definition, Meaning & Synonyms
ballon-dessai
noun
/bɑːlɑːn dɛsɛ/

Definition
A type of balloon used for scientific research and experiments, typically filled with gas to observe atmospheric conditions.

Examples
- The researchers launched a ballon-dessai to collect data on temperature changes at high altitudes.
- In the experiment, the ballon-dessai ascended to 20,000 feet before bursting.
- They used a ballon-dessai to study the effects of atmospheric pressure.

Meaning
The term combines the French words for ‘balloon’ and ‘test’, indicating a balloon that is used for testing purposes, especially in a scientific context.

Synonyms
- Research balloon
- Scientific balloon
- Test balloon