online vocabulary.com

Tinfoil - Meaning, Definition & English Examples

Tinfoil is a thin, flexible sheet of aluminum, traditionally made of tin, used for wrapping food or shielding materials. It is also associated with conspiracy theories, as in tinfoil hat.

tinfoil

/ˈtɪnˌfɔɪl/ /ˈtɪnˌfɔɪl/

Definition:

Thin, flexible metal sheet, often aluminum, used for wrapping food or other purposes.

Synonyms:

aluminum foil, metal foil, wrapping foil

Part of Speech:

noun

Antonyms:

thick metal sheet, rigid plate

Common Collocations:

tinfoil hat, tinfoil wrapper, tinfoil tray

Derivatives:

tinfoiled (adj.), tinfoiling (v.)

Usage Tips:

Use 'tinfoil' for lightweight metal sheets; avoid confusion with thicker materials like steel plates.

Common Phrases:

tinfoil hat conspiracy, wrapped in tinfoil, tinfoil wrapper

Etymology:

Derived from 'tin' + 'foil,' originally made of tin but now usually aluminum.

Examples:

  • 1. She wrapped the leftovers in tinfoil to keep them fresh.
  • 2. The artist sculpted a small figure using crumpled tinfoil.
  • 3. He made a silly tinfoil hat as a joke about conspiracy theories.
  • 4. Bake the potatoes in tinfoil to lock in moisture and flavor.

MORE VOCABULARY LISTS