noun
- thin sheets of aluminum or tin used for wrapping food or other items
- a hat made from aluminum foil, worn by people who believe it protects against mind control or surveillance
Usage: informal; often humorous
verb
- to cover or wrap with tinfoil
Examples
- She wrapped the leftover turkey in tinfoil.
- Cover the casserole with tinfoil before baking.
- The conspiracy theorist wore a tinfoil hat to the meeting.
- He tinfoiled the windows to block out light.
- Store the cookies wrapped in tinfoil to keep them fresh.
- The artist created sculptures using crumpled tinfoil.
- Make sure to tinfoil the grill grates before cooking fish.