Foil is a coil of metal sheeting, such as aluminum foil, and goldleaf.
Goldleaf is gold hammered very, very thin.
A thin flexible leaf or sheet of metal is called foil.
Foil is also the metal coating applied to the back of a plate of glass
to form a mirror.
Foil is a coil or sheet of metal sheeting, such as aluminum foil, and goldleaf.