Third-person singular simple present indicative form of FOIL

present participle of FOIL

simple past tense and past participle of FOIL

plural of foiling

(transitive) To cover or wrap with foil. / (nautical) Clipping of hydrofoil.

A very thin sheet of metal. / (uncountable) 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.

The act by which something is foiled; prevention of success. / (hunting) The track of game, such as deer, in the grass. / (architecture) A foil.

A surname.

(mnemonic) An acronym for the algorithm for multiplying two binomials.

(transitive) To apply the FOIL algorithm to.