ballon d'essai

bal·lon d'es·sai

B b

Definitions of ballon d'essai words

noun ballon d'essai a project or policy put forward experimentally to gauge reactions to it 3
noun plural ballon d'essai trial balloon. 1
noun ballon d'essai A policy put forward to test reactions; something designed to test the waters, an experimental measure. 0

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exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

feeler — a person or thing that feels.
barometer — A barometer is an instrument that measures air pressure and shows when the weather is changing.
pilot balloon — a balloon for the visual observation of upper-atmosphere wind currents.
test — Zoology. the hard, protective shell or covering of certain invertebrates, as echinoderms or tunicates.

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