· a piece of thin and flexible sheet metal; "the photographic film was wrapped in foil"

Hypernym(s): sheet_metal

· anything that serves by contrast to call attention to another thing's good qualities; "pretty girls like plain friends as foils"

Synonym(s): enhancer

Hypernym(s): attention

· a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through; "the fins of a fish act as hydrofoils"

Synonym(s): hydrofoil

Hypernym(s): device

· picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector

Synonym(s): transparency

Hypernym(s): picture, image, icon, ikon

· a light slender flexible sword tipped by a button

Hypernym(s): fencing_sword

· enhance by contrast; "In this picture, the figures are foiled against the background"

Hypernym(s): contrast, counterpoint

· hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"

Synonym(s): thwart, queer, spoil, scotch, cross, frustrate, baffle, bilk

Hypernym(s): prevent, forestall, foreclose, preclude, forbid

· cover or back with foil; "foil mirrors"

Hypernym(s): cover