1. A large container or vessel used to store liquids, gases, or other materials for later use
The factory uses a large storage tank to keep water for production.
A fábrica usa um grande tanque de armazenamento para manter água para produção.
2. A cylindrical or rectangular vessel designed to hold fuel, chemicals, or other substances safely
The propane storage tank must be inspected regularly for safety.
O tanque de armazenamento de propano deve ser inspecionado regularmente por segurança.