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Foil (narrative) In any narrative, a foil is a character who contrasts with another character, typically, a character who contrasts with the protagonist, in order to better highlight or differentiate certain qualities of the protagonist. [2] [3] [4] A foil to the protagonist may also be the antagonist of the plot. [5]
In elementary algebra, FOIL is a mnemonic for the standard method of multiplying two binomials [1] —hence the method may be referred to as the FOIL method. The word FOIL is an acronym for the four terms of the product: The general form is. Note that a is both a "first" term and an "outer" term; b is both a "last" and "inner" term, and so forth.
List of English homographs. Homographs are words with the same spelling but having more than one meaning. Homographs may be pronounced the same ( homophones ), or they may be pronounced differently ( heteronyms, also known as heterophones). Some homographs are nouns or adjectives when the accent is on the first syllable, and verbs when it is on ...
Foil (fluid mechanics) A foil is a solid object with a shape such that when placed in a moving fluid at a suitable angle of attack the lift (force generated perpendicular to the fluid flow) is substantially larger than the drag (force generated parallel to the fluid flow). If the fluid is a gas, the foil is called an airfoil or aerofoil, and if ...
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), a thin sheet of transparent flexible material, placed ...
Foilboard. A foilboard, also known as a hydrofoil board or foil surfboard, is a type of board used in water sports; it is distinct from surfboards in that it has a hydrofoil rather than fins mounted underneath. [ 1] This hydrofoil design allows the surfboard and its rider to rise above the water’s surface, allowing for fast speeds and ...
Foil (fencing) Arianna Errigo (L) competes against Carolin Golubytskyi (R) in the final of the women's foil event, 2013 World Fencing Championships. A foil is one of the three weapons used in the sport of fencing. It is a flexible sword of total length 110 cm (43 in) or under, rectangular in cross section, weighing under 500 g (18 oz), with a ...
Foil (metal) A roll of aluminium foil. A foil is a very thin sheet of metal, typically made by hammering or rolling. [1] [2] Foils are most easily made with malleable metal, such as aluminium, copper, [3] tin, and gold. Foils usually bend under their own weight and can be torn easily. [2]