(plural ballons d'essai)
From French ballon d'essai.
"ballon-d-essai." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/ballon-d-essai>.
ballon-d-essai. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/ballon-d-essai
Yes, I'd like to receive Word of the Day emails from YourDictionary.com
By continuing, you agree to our
Please set a username for yourself.
People will see it as Author Name with your public flash cards.