0 a substance produced when sth is created or destroyed -- dérivé [ masculine ]
by-products of oil production des dérivés de la production pétrolière
1 something obtained or formed during the making of something else -- sous-produit, dérivé
Coal tar is a by-product of the process of obtaining gas from coal.
NOUVEAUX MOTS
European
May 10, 2021
MOT DU JOUR
Shimmer
by-product