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n. [ Aëro- + foil. ] A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird. [ Webster 1913 Suppl. ]

n. 1. 1 a surface such as the wing of an airplane designed to provide reactive force when in motion relative to the surrounding air.
Syn. -- aerofoil [ WordNet 1.5 ]

{ or }. (Med.) Same as Aden ulcer. [ Webster 1913 Suppl. + AS ]

. Any one of various soils found in arid and semiarid regions, containing an unusual amount of soluble mineral salts which effloresce in the form of a powder or crust (usually white) in dry weather following rains or irrigation. The basis of these salts is mainly soda with a smaller amount of potash, and usually a little lime and magnesia. Two main classes of alkali are commonly distinguished: black alkali, which may be any alkaline carbonate, but which practically consists of sodium carbonate (sal soda), which is highly corrosive and destructive to vegetation; and white alkali, characterized by the presence of sodium sulphate (Glauber's salt), which is less injurious to vegetation. Black alkali is so called because water containing it dissolves humus, forming a dark-colored solution which, when it collects in puddles and evaporates, produces characteristic black spots. [ Webster 1913 Suppl. ]

v. t. [ OF. enoilier. ] To anoint with oil. [ Obs. ] Holinshed. [ 1913 Webster ]

A heavy green oil (partially solidifying on cooling), which distills over from coal tar at a temperature above 270°. It is the principal source of anthracene. [ Webster 1913 Suppl. ]

n. Potter's clay. [ Obs. ] Chaucer. [ 1913 Webster ]

v. t. [ OF. assoiler, absoiler, assoldre, F. absoudre, L. absolvere. See Absolve. ] 1. To set free; to release. [ Archaic ] [ 1913 Webster ]

Till from her hands the spright assoiled is. Spenser. [ 1913 Webster ]

2. To solve; to clear up. [ Obs. ] [ 1913 Webster ]

Any child might soon be able to assoil this riddle. Bp. Jewel. [ 1913 Webster ]

3. To set free from guilt; to absolve. [ Archaic ] [ 1913 Webster ]

Acquitted and assoiled from the guilt. Dr. H. More. [ 1913 Webster ]

Many persons think themselves fairly assoiled, because they are . . . not of scandalous lives. Jer. Taylor. [ 1913 Webster ]

4. To expiate; to atone for. [ Archaic ] Spenser. [ 1913 Webster ]

Let each act assoil a fault. E. Arnold. [ 1913 Webster ]

5. To remove; to put off. [ Obs. ] [ 1913 Webster ]

She soundly slept, and careful thoughts did quite assoil. Spenser. [ 1913 Webster ]

v. t. [ Pref. ad- + soil. ] To soil; to stain. [ Obs. or Poet. ] Beau. & Fl. [ 1913 Webster ]

Ne'er assoil my cobwebbed shield. Wordsworth. [ 1913 Webster ]

n. Act of assoiling, or state of being assoiled; absolution; acquittal. [ 1913 Webster ]

n. A soiling; defilement. [ 1913 Webster ]

, v. t. [ Old form assoil&yogh_;e. See Assoil. ] (Scots Law) To absolve; to acquit by sentence of court. [ 1913 Webster ]

God assoilzie him for the sin of bloodshed. Sir W. Scott. [ 1913 Webster ]

. (Bot.) A leguminous shrub of southern Europe, with trifoliate leaves (Anagyris foetida). [ 1913 Webster ]

v. t. [ Pref. be- + moil, fr. F. mouiller to wet; but cf. also OE. bimolen to soil, fr. AS. māl spot: cf. E. mole. ] To soil or encumber with mire and dirt. [ Obs. ] Shak. [ 1913 Webster ]

{ }. [ Named after the town Biskara, in Algeria. ] (Med.) Same as Aleppo boil. [ Webster 1913 Suppl. ]

v. i. [ imp. & p. p. Boiled p. pr. & vb. n. Boiling. ] [ OE. boilen, OF. boilir, builir, F. bouillir, fr. L. bullire to be in a bubbling motion, from bulla bubble; akin to Gr. &unr_;, Lith. bumbuls. Cf. Bull an edict, Budge, v., and Ebullition. ] 1. To be agitated, or tumultuously moved, as a liquid by the generation and rising of bubbles of steam (or vapor), or of currents produced by heating it to the boiling point; to be in a state of ebullition; as, the water boils. [ 1913 Webster ]

2. To be agitated like boiling water, by any other cause than heat; to bubble; to effervesce; as, the boiling waves. [ 1913 Webster ]

He maketh the deep to boil like a pot. Job xii. 31. [ 1913 Webster ]

3. To pass from a liquid to an aëriform state or vapor when heated; as, the water boils away. [ 1913 Webster ]

4. To be moved or excited with passion; to be hot or fervid; as, his blood boils with anger. [ 1913 Webster ]

Then boiled my breast with flame and burning wrath. Surrey. [ 1913 Webster ]

5. To be in boiling water, as in cooking; as, the potatoes are boiling. [ 1913 Webster ]

To boil away, to vaporize; to evaporate or be evaporated by the action of heat. --
To boil over, to run over the top of a vessel, as liquid when thrown into violent agitation by heat or other cause of effervescence; to be excited with ardor or passion so as to lose self-control. [ 1913 Webster ]

v. t. 1. To heat to the boiling point, or so as to cause ebullition; as, to boil water. [ 1913 Webster ]

2. To form, or separate, by boiling or evaporation; as, to boil sugar or salt. [ 1913 Webster ]

3. To subject to the action of heat in a boiling liquid so as to produce some specific effect, as cooking, cleansing, etc.; as, to boil meat; to boil clothes. [ 1913 Webster ]

The stomach cook is for the hall,
And boileth meate for them all. Gower. [ 1913 Webster ]

4. To steep or soak in warm water. [ Obs. ] [ 1913 Webster ]

To try whether seeds be old or new, the sense can not inform; but if you boil them in water, the new seeds will sprout sooner. Bacon. [ 1913 Webster ]

To boil down, to reduce in bulk by boiling; as, to boil down sap or sirup. [ 1913 Webster ]

n. Act or state of boiling. [ Colloq. ] [ 1913 Webster ]

n. [ Influenced by boil, v. See Beal, Bile. ] A hard, painful, inflamed tumor, which, on suppuration, discharges pus, mixed with blood, and discloses a small fibrous mass of dead tissue, called the core. [ 1913 Webster ]

A blind boil, one that suppurates imperfectly, or fails to come to a head. --
Delhi boil (Med.), a peculiar affection of the skin, probably parasitic in origin, prevailing in India (as among the British troops) and especially at Delhi. [ 1913 Webster ]

n. See Boilery. [ 1913 Webster ]

a. Dressed or cooked by boiling; subjected to the action of a boiling liquid; as, boiled meat; a boiled dinner; boiled clothes. [ 1913 Webster ]

adj. expressing the essence; condensed; summarized. the final boiled-down crux of the matter
Syn. -- boiled down. [ WordNet 1.5 ]

n. 1. One who boils. [ 1913 Webster ]

2. A vessel in which any thing is boiled. [ 1913 Webster ]

☞ The word boiler is a generic term covering a great variety of kettles, saucepans, clothes boilers, evaporators, coppers, retorts, etc. [ 1913 Webster ]

3. (Mech.) A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes. [ 1913 Webster ]

☞ The earliest steam boilers were usually spheres or sections of spheres, heated wholly from the outside. Watt used the wagon boiler (shaped like the top of a covered wagon) which is still used with low pressures. Most of the boilers in present use may be classified as plain cylinder boilers, flue boilers, sectional and tubular boilers. [ 1913 Webster ]

Barrel of a boiler, the cylindrical part containing the flues. --
Boiler plate,
Boiler iron, plate or rolled iron of about a quarter to a half inch in thickness, used for making boilers and tanks, for covering ships, etc. --
Cylinder boiler, one which consists of a single iron cylinder. --
Flue boilers are usually single shells containing a small number of large flues, through which the heat either passes from the fire or returns to the chimney, and sometimes containing a fire box inclosed by water. --
Locomotive boiler, a boiler which contains an inclosed fire box and a large number of small flues leading to the chimney. --
Multiflue boiler. Same as Tubular boiler, below. --
Sectional boiler, a boiler composed of a number of sections, which are usually of small capacity and similar to, and connected with, each other. By multiplication of the sections a boiler of any desired capacity can be built up. --
Tubular boiler, a boiler containing tubes which form flues, and are surrounded by the water contained in the boiler. See Illust. of Steam boiler, under Steam. --
Tubulous boiler. See under Tubulous. See Tube, n., 6, and 1st Flue. [ 1913 Webster ]

n. A sunken reef; esp., a coral reef on which the sea breaks heavily. [ Webster 1913 Suppl. ]

n. a loose protective smock worn over ordinary clothing for dirty work. [ British ]
Syn. -- overall, boilers suit. [ WordNet 1.5 ]

n. [ Cf. F. bouillerie. ] A place and apparatus for boiling, as for evaporating brine in salt making. [ 1913 Webster ]

a. Heated to the point of bubbling; heaving with bubbles; in tumultuous agitation, as boiling liquid; surging; seething; swelling with heat, ardor, or passion. [ 1913 Webster ]

Boiling point, the temperature at which a fluid is converted into vapor, with the phenomena of ebullition. This is different for different liquids, and for the same liquid under different pressures. For water, at the level of the sea, barometer 30 in., it is 212 ° Fahrenheit; for alcohol, 172.96°; for ether, 94.8°; for mercury, about 675°. The boiling point of water is lowered one degree Fahrenheit for about 550 feet of ascent above the level of the sea. --
Boiling spring, a spring which gives out very hot water, or water and steam, often ejecting it with much force; a geyser. --
To be at the boiling point, to be very angry. --
To keep the pot boiling, to keep going on actively, as in certain games. [ Colloq. ] [ 1913 Webster ]

n. 1. The act of ebullition or of tumultuous agitation. [ 1913 Webster ]

2. Exposure to the action of a hot liquid. [ 1913 Webster ]

adv. With boiling or ebullition. [ 1913 Webster ]

And lakes of bitumen rise boiling higher. Byron. [ 1913 Webster ]

v. i. To be subjected to the action of heat, as meat over the fire; to be greatly heated, or to be made uncomfortable with heat. [ 1913 Webster ]

The planets and comets had been broiling in the sun. Cheyne. [ 1913 Webster ]

n. [ F. brouiller to disorder, from LL. brogilus, broilus, brolium, thicket, wood, park; of uncertain origin; cf. W. brog a swelling out, OHG. prōil marsh, G. brühl, MHG. brogen to rise. The meaning tumult, confusion, comes apparently from tangled undergrowth, thicket, and this possibly from the meaning to grow, rise, sprout. ] A tumult; a noisy quarrel; a disturbance; a brawl; contention; discord, either between individuals or in the state. [ 1913 Webster ]

I will own that there is a haughtiness and fierceness in human nature which will which will cause innumerable broils, place men in what situation you please. Burke. [ 1913 Webster ]

Syn. -- Contention; fray; affray; tumult; altercation; dissension; discord; contest; conflict; brawl; uproar. [ 1913 Webster ]

v. t. [ imp. & p. p. Broiled p. pr. & vb. n. Broiling. ] [ OE. broilen, OF. bruillir, fr. bruir to broil, burn; of Ger. origin; cf. MHG. brüejen, G. brühen, to scald, akin to E. brood. ] 1. To cook by direct exposure to heat over a fire, esp. upon a gridiron over coals. [ 1913 Webster ]

2. To subject to great (commonly direct) heat. [ 1913 Webster ]

adj. cooked by direct exposure to radiant heat. baked fried bolied
Syn. -- grilled. [ WordNet 1.5 ]

n. One who excites broils; one who engages in or promotes noisy quarrels. [ 1913 Webster ]

What doth he but turn broiler, . . . make new libels against the church? Hammond. [ 1913 Webster ]

n. 1. One who broils, or cooks by broiling. [ 1913 Webster ]

2. A gridiron or other utensil used in broiling, or the compartment in a stove where such a utensil is located. [ 1913 Webster ]

3. A chicken or other bird fit for broiling. [ Colloq. ] [ 1913 Webster ]

a. Excessively hot; as, a broiling sun. -- n. The act of causing anything to broil. [ 1913 Webster ]

A lotion of linseed oil and lime water, used as an application to burns and scalds; -- first used at the Carron iron works in Scotland. [ 1913 Webster ]

A mild cathartic oil, expressed or extracted from the seeds of the Ricinus communis, or Palma Christi. When fresh the oil is inodorous and insipid. [ 1913 Webster ]

Castor-oil plant. Same as Palma Christi. [ 1913 Webster ]

. (Elec.) A coil of small resistance and large inductance, used in an alternating-current circuit to impede or throttle the current, or to change its phase; -- called also reactance coil or reactor, these terms being now preferred in engineering usage. [ Webster 1913 Suppl. ]

n. [ Cinque five + foil, F. feuille leaf. See Foil. ] 1. (Bot.) The name of several different species of the genus Potentilla; -- also called five-finger, because of the resemblance of its leaves to the fingers of the hand. [ 1913 Webster ]

2. (Arch.) An ornamental foliation having five points or cups, used in windows, panels, etc. Gwilt. [ 1913 Webster ]

Marsh cinquefoil, the Potentilla palustris, a plant with purple flowers which grows in fresh-water marshes. [ 1913 Webster ]

n. [ Of Celtic origin; cf. Gael. goil fume, rage. ] A noise, tumult, bustle, or confusion. [ Obs. ] Shak. [ 1913 Webster ]

v. t. [ imp. & p. p. Coiled (koild); p. pr. & vb. n. Coiling. ] [ OF. coillir, F. cueillir, to collect, gather together, L. coligere; col- + legere to gather. See Legend, and cf. Cull, v. t., Collect. ] 1. To wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing. [ 1913 Webster ]

2. To encircle and hold with, or as with, coils. [ Obs. or R. ] T. Edwards. [ 1913 Webster ]

v. i. To wind itself cylindrically or spirally; to form a coil; to wind; -- often with about or around. [ 1913 Webster ]

You can see his flery serpents . . .
Coiting, playing in the water. Longfellow. [ 1913 Webster ]

n. 1. A ring, series of rings, or spiral, into which a rope, or other like thing, is wound. [ 1913 Webster ]

The wild grapevines that twisted their coils from trec to tree. W. Irving. [ 1913 Webster ]

2. Fig.: Entanglement; toil; mesh; perplexity. [ 1913 Webster ]

3. A series of connected pipes in rows or layers, as in a steam heating apparatus. [ 1913 Webster ]

Induction coil. (Elec.) See under Induction. --
Ruhmkorff's coil (Elec.), an induction coil, sometimes so called from Ruhmkorff a prominent manufacturer of the apparatus. [ 1913 Webster ]

adj. curled or wound especially in concentric rings or spirals; as, a coiled snake ready to strike; the rope lay coiled on the deck. Opposite of uncoiled. [ Narrower terms: coiling, helical, spiral, spiraling, volute, voluted, whorled; convolute rolled longitudinally upon itself;curled, curled up; involute closely coiled so that the axis is obscured); looped, whorled; twined, twisted; convoluted; involute, rolled esp of petals or leaves in bud: having margins rolled inward); wound ] [ WordNet 1.5 ]

adj. 1. 1
Syn. -- helical, spiral, spiraling, volute, voluted, whorled. [ WordNet 1.5 ]

n. [ F. See Cullion. ] A testicle. [ Obs. ] Chaucer. [ 1913 Webster ]

. A fixed, semidrying oil extracted from cottonseed. It is pale yellow when pure (sp. gr., .92-.93). and is extensively used in soap making, in cookery, and as an adulterant of other oils. [ Webster 1913 Suppl. ]