ammonia
La molécule d'ammoniac est composée de quatre atomes.
The ammonia molecule is composed of four atoms.
C'est de l'ammoniac ?
Is it ammonia?
— Projet Dernière Chance (2026)
Ammoniac.
Ammonia.
— Interstellar (2014)
Il croyait avoir trouvé des cristaux d'ammoniac.
He thought he had found ammonia crystals.