5. See Army organization, above.

Reserve city. (Banking) In the national banking system of the United States, any of certain cities in which the national banks are required (U. S. Rev. Stat. sec. 5191) to keep a larger reserve (25 per cent) than the minimum (15 per cent) required of all other banks. The banks in certain of the reserve cities (specifically called central reserve cities) are required to keep their reserve on hand in cash; banks in other reserve cities may keep half of their reserve as deposits in these banks (U. S. Rev. Stat. sec. 5195).

||Re`si*den"cia (?), n. [Sp.] In Spanish countries, a court or trial held, sometimes as long as six months, by a newly elected official, as the governor of a province, to examine into the conduct of a predecessor.

Re*sist", n. (Technical) Something that resists or prevents a certain action; specif.: A substance applied to a surface, as of metal, to prevent the action on it of acid or other chemical agent.

Re*sist"ance frame`. (Elec.) A rheostat consisting of an open frame on which are stretched spirals of wire. Being freely exposed to the air, they radiate heat rapidly.

Res"o*nance, n. An electric phenomenon corresponding to that of acoustic resonance, due to the existance of certain relations of the capacity, inductance, resistance, and frequency of an alternating circuit.

Res"o*nant, a. (Elec.) Adjusted as to dimensions (as an electric circuit) so that currents or electric surgings are produced by the passage of electric waves of a given frequency.

Res"o*na`tor (?), n. [NL. & G.] Anything that resounds or resonates; specif.: (a) (Teleg.) An open box for containing a sounder and designed to concentrate and amplify the sound. (b) (Elec.) Any of various apparatus for exhibiting or utilizing the effects of resonance in connection with open circuits, as a device having an oscillating circuit which includes a helix of bare copper wire, a variable number of coils of which can be connected in circuit with a condenser and spark gap excited with an induction coil. It is used to create high-frequency electric brush discharges. (c) (Wireless Teleg.) The antenna system and other high-frequency circuits of a receiving apparatus.

Re*sorp"tion (r*sôrp"shn), n. (Petrography) The redissolving wholly or in part, in the molten magma of an igneous rock, of crystals previously formed. The dissolved material may again solidify, giving rise to a mass of small crystals, usually of a different kind.

||Res"sal*dar (rs"sal*där), n. [Hind. risldr, fr. risl troop of horse + Per. dr holding.] (Mil.) In the Anglo-Indian army, a native commander of a ressala.

Rest cure. (Med.) Treatment of severe nervous disorder, as neurasthenia, by rest and isolation with systematic feeding and the use of massage and electricity.

Re*tard"er (r*tär"dr), n. 1. (Steam Boiler) Any of various devices, as a helix of flat metal strip, introduced into a boiler tube to increase the heating effect of the fire.

2. (Photog.) A substance, as potassium bromide, added to a developer to retard its action.

||Re*trous`sé" (?), a. [F., p.p. of retrousser to turn up.] Turned up; -- said of a pug nose.

||Re*vers" (?), n.sing & pl. [F. See Reverse, n.] (Dressmaking, Tailoring, etc.) A part turned or folded back so as to show the inside, or a piece put on in imitation of such a part, as the lapel of a coat.

||Rez`-de-chaus`sée" (?), n. [F., lit., level of the street. See Raze, v. t., and Causey.] (Arch.) The ground story of a building, either on a level with the street or raised slightly above it; -- said esp. of buildings on the continent of Europe.

Tier above tier of neat apartments rise over the little shops which form the rez-de-chaussée.

The Century.

Rhe"o*crat (?), n. [Gr. "rei^n to flow + kratei^n to rule.] (Elec.) A kind of motor speed controller permitting of very gradual variation in speed and of reverse. It is especially suitable for use with motor driven machine tools.

||Ri*dot"to (?), n. [See Redoubt.] (Music) An arrangement or abridgment of a piece from the full score.

||Ri*fa`ci*men"to (?), n.; pl. Rifacimenti (#). [It.] A remaking or recasting; an adaptation, esp. of a literary work or musical composition.

Rif"fle (?), n. [Cf. Riffle a trough.] A ripple in a stream or current of water; also, a place where the water ripples, as on a shallow rapid. [Local, U. S.]

The bass have left the cool depth beside the rock and are on the riffle or just below it.

James A. Henshall.

Rig"ger, n. (Painting) A long slender, and pointed sable brush for making fine lines, etc.; -- said to be so called from its use by marine painters for drawing the lines of the rigging.

Rig`o*lette" (?), n. [Prob. fr. Rigolette, name of a girl in Eugene Sue's novel "Mystères de Paris."] A woman's light scarflike head covering, usually knit or crocheted of wool.

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Rig"or*ism (?), n. [Cf. F. rigorisme.] (Ethics) Strictness in ethical principles; -- usually applied to ascetic ethics, and opposed to ethical latitudinarianism.

||Rigs"dag (?), n. [Dan. Cf. Reichstag.] See Legislature, Denmark.

Rim"-fire` (?), a. Having the percussion fulminate in a rim surrounding the base, distinguished from center-fire; -- said of cartridges; also, using rim-fire cartridges; as, a rim-fire gun. Such cartridges are now little used.

||Rin*con" (?), n.; pl. Rincones (#). [Sp. rincón.] An interior corner; a nook; hence, an angular recess or hollow bend in a mountain, river, cliff, or the like. [Western & Southern U. S.] D. S. Jordan.

Ring armature. (Elec.) An armature for a dynamo or motor having the conductors wound on a ring.

Ring winding. (Elec.) Armature winding in which the wire is wound round the outer and inner surfaces alternately of an annular or cylindrical core.

Rip cord. (Aëronautics) A cord by which the gas bag of a balloon may be ripped open for a limited distance to release the gas quickly and so cause immediate descent.

{ Rip"per act or bill }. An act or a bill conferring upon a chief executive, as a governor or mayor, large powers of appointment and removal of heads of departments or other subordinate officials. [Polit. Cant, U. S.]

Rip"ping cord. (Aëronautics) = Rip cord.

Ripping panel. (Aëronautics) A long patch, on a balloon, to be ripped off, by the rip cord, at landing, in order to allow the immediate escape of gas and instant deflation of the bag.

Ripping strip. = Ripping panel.

Rise (?), v. t. [See Rise, v. i.] 1. To go up; to ascend; to climb; as, to rise a hill.

2. To cause to rise; as, to rise a fish, or cause it to come to the surface of the water; to rise a ship, or bring it above the horizon by approaching it; to raise.

Until we rose the bark we could not pretend to call it a chase.

W. C. Russell.

{ ||Ris`qué", a. masc., ||Ris`quée", a. fem. }, (&?;). [F., p.p. of risquer to risk.] Hazardous; risky; esp., fig., verging upon impropriety; dangerously close to, or suggestive of, what is indecent or of doubtful morality; as, a risqué story. Henry Austin.

||Ri`vière" (?), n. [F.] A necklace of diamonds or other precious stones, esp. one of several strings.

Roar"ing for"ties (?). (Naut.) The middle latitudes of the southern hemisphere. So called from the boisterous and prevailing westerly winds, which are especially strong in the South Indian Ocean up to 50° S.

Rob"a*lo (?), n. [Sp. róbalo.] Any of several pikelike marine fishes of the West Indies and tropical America constituting the family Oxylabracidæ, esp. the largest species (Oxylabrax, syn. Centropomus, undecimalis), a valuable food fish called also snook, the smaller species being called Rob`a*li"to (&?;).

||Ro"ble (?), n. [Sp., oak.] (Bot.) The California white oak (Quercus lobata).

||Ro`caille" (?), n. [F. Cf. Rock a stone.] (Art) (a) Artificial rockwork made of rough stones and cement, as for gardens. (b) The rococo system of scroll ornament, based in part on the forms of shells and water-worn rocks.

Roe, Richard. (Law) A fictious name for a party, real or fictious, to an act or proceeding. Other names were formerly similarly used, as John-a-Nokes, John o', or of the, Nokes, or Noakes, John-a-Stiles, etc.

Rog"er (?), n. [From a proper name Roger.] A black flag with white skull and crossbones, formerly used by pirates; -- called also Jolly Roger.

Roll"er bear"ing. (Mach.) A bearing containing friction rollers.

Roller coaster. An amusement railroad in which cars coast by gravity over a long winding track, with steep pitches and ascents.

Rol"li*che (?), n. [Also Rol"le*jee (&?;), Rol"li*chie.] [D. rolletje a little roll.] A kind of sausage, made in a bag of tripe, sliced and fried, famous among the Dutch of New Amsterdam and still known, esp. in New Jersey.

Ro"ma*ji*ka`i (?), n. [Jap. rmajikai.] An association, including both Japanese and Europeans, having for its object the changing of the Japanese method of writing by substituting Roman letters for Japanese characters.

Roman calendar. The calendar of the ancient Romans, from which our modern calendars are derived. It is said to have consisted originally of ten months, Martius, Aprilis, Maius, Junius, Quintilis, Sextilis, September, October, November, and December, having a total of 304 days. Numa added two months, Januarius at the beginning of the year, and Februarius at the end, making in all 355 days. He also ordered an intercalary month, Mercedinus, to be inserted every second year. Later the order of the months was changed so that January should come before February. Through abuse of power by the pontiffs to whose care it was committed, this calendar fell into confusion. It was replaced by the Julian calendar. In designating the days of the month, the Romans reckoned backward from three fixed points, the calends, the nones, and the ides. The calends were always the first day of the month. The ides fell on the 15th in March, May, July (Quintilis), and October, and on the 13th in other months. The nones came on the eighth day (the ninth, counting the ides) before the ides. Thus, Jan. 13 was called the ides of January, Jan. 12, the day before the ides, and Jan. 11, the third day before the ides (since the ides count as one), while Jan. 14 was the 19th day before the calends of February.

||Ro"nin" (?), n. [Jap. r- nin, fr. Chin. lang profligate, lawless + jên (old sound nn) man.] In Japan, under the feudal system, a samurai who had renounced his clan or who had been discharged or ostracized and had become a wanderer without a lord; an outcast; an outlaw.

Rönt"gen (?), a. Of or pertaining to the German physicist Wilhelm Konrad Röntgen, or the rays discovered by him; as, Röntgen apparatus.

Rönt"gen*ize (?), v. t. (Physics) To render (air or other gas) conducting by the passage of Röntgen rays.

Röntgen ray. (Physics) Any of the rays produced when cathode rays strike upon surface of a solid (as the wall of the vacuum tube). Röntgen rays are noted for their penetration of many opaque substances, as wood and flesh, their action on photographic plates, and their fluorescent effects. They were called X rays by their discoverer, W. K. Röntgen. They also ionize gases, but cannot be reflected, or polarized, or deflected by a magnetic field. They are regarded as nonperiodic, transverse pulses in the ether. They are used in examining opaque objects, as for locating fractures or bullets in the human body.

Root, v. i. [Cf. Rout to roar.] To shout for, or otherwise noisly applaud or encourage, a contestant, as in sports; hence, to wish earnestly for the success of some one or the happening of some event, with the superstitious notion that this action may have efficacy; -- usually with for; as, the crowd rooted for the home team. [Slang or Cant, U. S.]

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