noun / verb

foil

FOYL/fɔɪl/

Thin metal sheeting used as a covering or decoration.

Crinkled aluminum foil wraps the baked potato beside a partly unrolled sheet.

Roll of thin aluminum foil partly unrolled with crinkled reflective sheet wrapping one baked potato, crisp metallic ink highlights and natural color, no packaging text.

Etymology

Latin folium meant “leaf”; its descendant extended that image to sheets of paper and metal. The metal-sheet meaning is the one preserved in foil used for wrapping food.

In context

Jenn Clayton1:38

get our bacon cooked so I went ahead and aligned a cookie sheet with some aluminum foil added my entire pack of bacon

WEEKLY WW MEAL PREP | HASHBROWN CASSEROLE | PIZZA POT PIE | PEPPERMINT BROWNIES | MYWW!!

More examples

Each chocolate comes wrapped in shiny foil.
Gold foil gives the invitation a bright border.
The artist foils the glass edges before soldering them together.

Forms

foil · foils · foiled · foiling

Similar words

leaf: Extremely thin metal sheets used mainly for decorative gilding.
sheeting: Material formed into sheets, not necessarily thin or metallic.