From Wikipedia, the free encyclopedia
|Look up foil in Wiktionary, the free dictionary.|
Foil may refer to:
- Foil (metal), a quite thin sheet of metal, usually manufactured with a rolling mill machine
- Metal leaf, a very thin sheet of decorative metal
- Aluminium foil, a type of wrapping for food
- Tin foil, metal foil made of tin, the direct predecessor to aluminium foil
- Transparency (projection), as in "foil" (film over incandescent light) or "viewfoil"
- Foil (fluid mechanics)
- Foil bearing, a type of fluid bearing
Arts and culture
- Foil (architecture), decorative device derived from cusps of circles
- Foil stamping, a printmaking technique
- Foil (fencing), one of the three weapons used in modern fencing
- Foil (literature), a subsidiary character who emphasizes the traits of a main character
- Comedic or comic foil, the straight man in a comedy double act
- "Foil" (song), "Weird Al" Yankovic's parody of Lorde's song "Royals"
- Hydrofoil, a type of high-powered motorboat that uses underwater foils to lift its hull above the water when moving at high speeds
- Bruce foil, a foil used on an outrigger to prevent a boat from heeling
- Centerboard, a movable keel that functions as a foil
- Foilboard, a surfboard using a hydrofoil
- People in a police lineup
- First Order Inductive Learner - a rule-based learning algorithm
- The FOIL method, a mnemonic in algebra, to expand the product of two first-degree polynomials ("linear factors")
- FOIL (programming language), either of two now-defunct computer programming languages
- Forum of Indian Leftists, a political group of Indian intellectuals
- Freedom of information legislation or Freedom of Information Law (FOIL)
- Ultrasonic foil (papermaking), a type of high frequency vibrating foil involved in papermaking
- Split tally, in ancient financial accounting, the part of a split tally stick given to the recipient in a transaction
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