AskDefine | Define foil

Dictionary Definition

foil

Noun

1 a piece of thin and flexible sheet metal; "the photographic film was wrapped in foil"
2 anything that serves by contrast to call attention to another thing's good qualities; "pretty girls like plain friends as foils" [syn: enhancer]
3 a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through; "the fins of a fish act as hydrofoils" [syn: hydrofoil]
4 picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector [syn: transparency]
5 a light slender flexible sword tipped by a button

Verb

1 enhance by contrast; "In this picture, the figures are foiled against the background"
2 hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent" [syn: thwart, queer, spoil, scotch, cross, frustrate, baffle, bilk]
3 cover or back with foil; "foil mirrors"

User Contributed Dictionary

English

Pronunciation

Noun

foil (countable except as indicated; plural foils)
  1. A very thin sheet of metal.
  2. Thin aluminium/aluminum (or, formerly, tin) used for wrapping food.
  3. A thin layer of metal put between a jewel and its setting to make it seem more brilliant.
  4. In literature, theatre/theater, etc, a character who helps emphasize the traits of the main character.
  5. Anything that acts to emphasise the characteristics of something.
  6. A very thin sword with a blunted (or foiled) tip
  7. A thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency.
  8. Shortened form of hydrofoil.
  9. Shortened form of aerofoil/airfoil.

Synonyms

Translations

thin sheet of metal
thin aluminium/aluminum or tin used for wrapping food
type of sword used in fencing
thin layer of metal put between a jewel and its setting to make it seem more brilliant
a character who helps emphasise the traits of the main character
anything that acts to emphasise the characteristics of something
shortened form of hydrofoil See hydrofoil
shortened form of aerofoil/airfoil See aerofoil/airfoil

Verb

  1. To prevent (something) from being accomplished.
  2. To multiply two binomials together.

Synonyms

Translations

prevent from being accomplished

Extensive Definition

Foil may refer to:
Materials:
Fluid Mechanics:
Paper making:
  • Foil (papermaking), a type of ving under the wire in the wire section of a paper machine creating a vacuum pulse to eliminate water from the stock (fibre/water slurry).
  • Ultrasonic foil (papermaking), a type of high frequency vibrating foil under the wire, creating cavitation, imploding vacuum bubbles, in the stock on the wire. The shock waves from the imploding bubbles will distribute the fibres more uniform in the paper web and this will give a stronger paper.
In aeronautics:
  • Airfoil, used on aircraft
  • Parafoil, a nonrigid airfoil, inflated during use
In art:
In mathematics:
In navigation:
  • Hydrofoil, a type of boat using foils designed for water
  • Bruce foil, a foil used on an outrigger to prevent a boat from heeling
  • Centreboard, a movable keel that functions as a foil
  • Foilboard, a surfboard using a hydrofoil
Foil may also be:
foil in German: Folie
foil in Dutch: Folie
foil in Swedish: Folie

Synonyms, Antonyms and Related Words

Roscius, actor, actress, antagonist, antipode, antipodes, antipole, antithesis, antonym, background, background detail, bad guy, baffle, bafflement, balk, balking, barnstormer, beat, bilbo, bilk, blast, brave, broadsword, buffalo, cast down, challenge, character, character actor, character man, character woman, check, checkmate, child actor, circumvent, claymore, coat, coating, collop, confound, confounding, confront, confusion, contra, contravene, converse, counter, counteract, counterbalance, countercheck, countermand, counterpoint, counterpoise, counterpole, counterterm, counterwork, covering, cross, curb, cut, cutlass, dash, daunt, deal, deceive, decorative composition, decorative style, defeat, defeat expectation, defy, design, destroy, detail, disappoint, discomfit, discomfiture, disconcert, disconcertion, discountenance, diseur, diseuse, dish, disillusion, disk, disrupt, dissatisfy, dramatizer, elude, embarrass, epee, evade, falchion, faze, feeder, feuille, figure, film, flake, flap, flummox, foiling, fold, foreground detail, form, frustrate, frustration, get around, get round, give the runaround, give the slip, glaive, go one better, hamper, heavy, histrio, histrion, impede, ingenue, inverse, juvenile, knock the chocks, lamella, lamina, laminated glass, laminated wood, lamination, lap, layer, leaf, let down, matinee idol, membrane, mime, mimer, mimic, monologist, motif, mummer, national style, nonplus, nullify, obverse, offset, opposite, opposite number, ornamental motif, outfigure, outflank, outgeneral, outguess, outmaneuver, outplay, outreach, outsmart, outwit, overreach, pane, panel, pantomime, pantomimist, parry, pass the buck, patina, pattern, peel, pellicle, period style, perplex, plait, plank, plate, plating, playactor, player, ply, plywood, protean actor, rapier, rasher, rattle, rebuff, reciter, repeated figure, repulse, restrain, reversal, reverse, rout, ruin, saber, sabotage, safety glass, scale, scimitar, scotch, scum, setback, setoff, setting, sheet, skin, slab, slat, slice, soubrette, spike, spoil, stage performer, stage player, stonewall, stooge, straight man, stroller, strolling player, stump, style, table, tablet, tantalize, tease, the contrary, the other side, theatrical, theme, thespian, thwart, thwarting, touch, trouper, tuck, upset, utility man, veneer, victimize, villain, vis-a-vis, wafer
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