foil

IPA: fˈɔɪɫ

Root Word: FOIL

(mnemonic) An acronym for the algorithm for multiplying two binomials.
A very thin sheet of metal.
(chiefly 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.
(authorship, figuratively) In literature, theatre/theater, etc., a character who helps emphasize the traits of the main character and who usually acts as an opponent or antagonist, but can also serve as the sidekick of the protagonist.
(figuratively) Anything that acts by contrast to emphasise the characteristics of something.
(fencing) 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 premium trading card with a glossy finish.
(heraldry) A stylized flower or leaf.
Failure when on the point of attainment; defeat; frustration; miscarriage.
One of the incorrect answers presented in a multiple-choice test.
(hunting) The track of an animal.
(architecture) A small arc in the tracery of a window, etc.
(hydrodynamics, nautical) Clipping of hydrofoil. [(nautical) A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag.]
(aerodynamics, aviation) Clipping of aerofoil/airfoil.

(transitive) To apply the FOIL algorithm to.
(transitive) To cover or wrap with foil.
To prevent (something) from being accomplished.
To prevent (someone) from accomplishing something.
To blunt; to dull; to spoil.
(obsolete) To tread underfoot; to trample.
(mathematics) To expand a product of two or more algebraic expressions, typically binomials.
(obsolete) To defile; to soil.
(nautical) Clipping of hydrofoil. [(nautical, intransitive) To operate or use or ride atop a hydrofoil wing on a hull so equipped.]

Examples of "foil" in Sentences

If traveling, wrap each individual sandwich in foil and take with you to your picnic.
I have no clue why fashion designers think that Reynolds Wrap tin foil can be used for material.
A little seasoning, butter and lemon juice, double wrap in foil and put em on a grill or campfire.
Yes | No | Report from whitetail1 wrote 51 weeks 3 days ago ever try grilling them in foil with the spices you like inside
My grandmother used to bake potatoes in foil having sliced them in a few places, added dabs of butter, and slices of onions.
Or is someone trying to peel off my tin foil hat and tell me that the Federal Reserve Board is a part of the federal government?
So basically, one using tin foil is trying to keep the truth out, not amplify government corruption, or conspiracy as you morons call it.
- Direct Optical Music: redesigning your optical drive to play the tonal qualities of, say, a piece of metallic lace or a piece of tin foil