Foil
Part of speech: verb
Definition: To prevent (something) from being accomplished. To multiply two binomials together.
Part of speech: noun
Definition: A very thin sheet of metal. Thin aluminium/aluminum (or, formerly, tin) used for wrapping food. A thin layer of metal put between a jewel and its setting to make it seem more brilliant. In literature, theatre/theater, etc, a character who helps emphasize the traits of the main character. Anything that acts to emphasise the characteristics of something. A very thin sword with a blunted (or foiled) tip A thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency. A stylized flower or leaf. Shortened form of hydrofoil. Shortened form of aerofoil/airfoil.
Example sentence: All I can really tell you about my father is that he did odd things like put tin foil on a bottle of beer after having a few sips, then put it in the refrigerator to perhaps have on another night.
Hydrofoil
Part of speech: noun
Definition: A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag.A vessel equipped with such a device.