tinfoil

Thân thiện

A cook wraps leftover food in tinfoil before placing it in the refrigerator.

Definition

Noun: 1. A thin, flexible sheet of metal, historically made of tin or a tin-lead alloy, used for wrapping or covering items: This is the original and literal meaning. It refers to a specific type of metallic foil. 2. A common, informal term for aluminum foil: In modern, everyday usage, "tinfoil" is often used to refer to the thin aluminum foil used in kitchens, even though it is no longer made from tin.

Usage Examples

• Noun:
  • Before aluminum was widely available, people used tinfoil to wrap food.
  • She covered the dish with tinfoil before putting it in the oven. (Here, "tinfoil" is used informally for aluminum foil.)
  • The artist used tinfoil to create a textured surface for the sculpture.

Advanced Usage

• "Tinfoil hat": A hat made from aluminum foil, humorously believed to protect the wearer from mind control, government surveillance, or harmful electromagnetic waves. It is a symbol of paranoia or conspiracy theories.
  • He joked that he needed a tinfoil hat to block the government's signals.

Variants and Related Words

• Aluminum foil (Aluminium foil) (n): The modern, correct term for the thin, pliable metal sheet used for wrapping, covering, and cooking food. This is what is typically meant by "tinfoil" in contemporary speech.
• Foil (n): A general term for a very thin, flexible sheet of metal.

Synonyms

• Aluminum foil (modern equivalent)
• Metal foil (general term)
• Silver paper (informal, chiefly British)

Notes on Meaning

The word "tinfoil" demonstrates a shift in meaning due to technological change. Its primary historical definition (foil made of tin) is now largely obsolete in practical use. Its dominant contemporary meaning is as a colloquial synonym for "aluminum foil." The context usually makes the intended meaning clear.

Học thuật

Noun

1. foil made of tin or an alloy of tin and lead

Từ đồng nghĩa

• tin foil