supertanker
/ˈsupərˌtæŋkər/
noun
- A very large ship designed to carry large amounts of oil or other liquids across oceans.
- A single supertanker can hold enough oil to fill hundreds of swimming pools.
- Environmental groups protested the supertanker's route near the coral reef.
- The supertanker carried two million barrels of crude oil across the Atlantic.