Chapter 1366

Rosenm\'81ller's organ <Xpage= Cabbage rose , China rose , etc. See under Cabbage , China , etc. -- Corn rose (Bot.) See Corn poppy , under Corn . -- Infantile rose (Med.) , a variety of roseola. -- Jamaica rose . (Bot.) See under Jamaica . -- Rose acacia (Bot.) , a low American leguminous shrub ( Robinia hispida ) with handsome clusters of rose-colored blossoms. -- Rose aniline . (Chem.) Same as Rosaniline . -- Rose apple (Bot.) , the fruit of the tropical myrtaceous tree Eugenia Jambos . It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume. -- Rose beetle . (Zo\'94l.) (a) A small yellowish or buff longlegged beetle ( Macrodactylus subspinosus ), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug , and rose chafer . (b) The European chafer. -- Rose bug . (Zo\'94l.) same as Rose beetle , Rose chafer . -- Rose burner , a kind of gas-burner producing a rose-shaped flame. -- Rose camphor (Chem.) , a solid odorless substance which separates from rose oil. -- Rose campion . (Bot.) See under Campion . -- Rose catarrh (Med.) , rose cold. -- Rose chafer . (Zo\'94l.) (a) A common European beetle ( Cetonia aurata ) which is often very injurious to rosebushes; -- called also rose beetle , and rose fly . (b) The rose beetle (a) . -- Rose cold (Med.) , a variety of hay fever, sometimes attributed to the inhalation of the effluvia of roses. See Hay fever , under Hay . -- Rose color , the color of a rose; pink; hence, a beautiful hue or appearance; fancied beauty, attractiveness, or promise. 1252 -- Rose de Pompadour , Rose du Barry , names succesively given to a delicate rose color used on S\'8avres porcelain. -- Rose diamond , a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top. Cf. Brilliant , n. -- Rose ear . See under Ear . -- Rose elder (Bot.) , the Guelder-rose. -- Rose engine , a machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines. Craig. -- Rose family (Bot.) the Rosece\'91 . See Rosaceous . -- Rose fever (Med.) , rose cold. -- Rose fly (Zo\'94l.) , a rose betle, or rose chafer. -- Rose gall (Zo\'94l.) , any gall found on rosebushes. See Bedeguar . -- Rose knot , a ribbon, or other pliade band plaited so as to resemble a rose; a rosette. -- Rose lake , Rose madder , a rich tint prepared from lac and madder precipitated on an earthy basis. Fairholt. -- Rose mallow . (Bot.) (a) A name of several malvaceous plants of the genus Hibiscus , with large rose-colored flowers. (b) the hollyhock . -- Rose nail , a nail with a convex, faceted head. -- Rose noble , an ancient English gold coin, stamped with the figure of a rose, first struck in the reign of Edward III., and current at 6s. 8d. Sir W. Scott. -- Rose of China . (Bot.) See China rose (b) , under China . -- Rose of Jericho (Bot.) , a Syrian cruciferous plant ( Anastatica Hierochuntica ) which rolls up when dry, and expands again when moistened; -- called also resurrection plant . -- Rose of Sharon (Bot.) , an ornamental malvaceous shrub ( Hibiscus Syriacus ). In the Bible the name is used for some flower not yet identified, perhaps a Narcissus, or possibly the great lotus flower. -- Rose oil (Chem.) , the yellow essential oil extracted from various species of rose blossoms, and forming the chief part of attar of roses. -- Rose pink , a pigment of a rose color, made by dyeing chalk or whiting with a decoction of Brazil wood and alum; also, the color of the pigment. -- Rose quartz (Min.) , a variety of quartz which is rose-red. -- Rose rash . (Med.) Same as Roseola . -- Rose slug (Zo\'94l.) , the small green larva of a black sawfly ( Selandria ros\'91 ) . These larv\'91 feed in groups on the parenchyma of the leaves of rosebushes, and are often abundant and very destructive. -- Rose window (Arch.) , a circular window filled with ornamental tracery. Called also Catherine wheel , and marigold window . Cf. wheel window , under Wheel . -- Summer rose (Med.) , a variety of roseola. See Roseola . -- Under the rose [a translation of L. sub rosa ] , in secret; privately; in a manner that forbids disclosure; -- the rose being among the ancients the symbol of secrecy, and hung up at entertainments as a token that nothing there said was to be divulged. -- Wars of the Roses (Eng. Hist.) , feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster. >

Ro"sen*m\'81l`ler's or"gan (?) . [So named from its first describer, J. C. Rosenm\'81ller , a German anatomist.] (Anat.) The parovarium.

Roseo- <Xpage= Cabbage rose , China rose , etc. See under Cabbage , China , etc. -- Corn rose (Bot.) See Corn poppy , under Corn . -- Infantile rose (Med.) , a variety of roseola. -- Jamaica rose . (Bot.) See under Jamaica . -- Rose acacia (Bot.) , a low American leguminous shrub ( Robinia hispida ) with handsome clusters of rose-colored blossoms. -- Rose aniline . (Chem.) Same as Rosaniline . -- Rose apple (Bot.) , the fruit of the tropical myrtaceous tree Eugenia Jambos . It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume. -- Rose beetle . (Zo\'94l.) (a) A small yellowish or buff longlegged beetle ( Macrodactylus subspinosus ), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug , and rose chafer . (b) The European chafer. -- Rose bug . (Zo\'94l.) same as Rose beetle , Rose chafer . -- Rose burner , a kind of gas-burner producing a rose-shaped flame. -- Rose camphor (Chem.) , a solid odorless substance which separates from rose oil. -- Rose campion . (Bot.) See under Campion . -- Rose catarrh (Med.) , rose cold. -- Rose chafer . (Zo\'94l.) (a) A common European beetle ( Cetonia aurata ) which is often very injurious to rosebushes; -- called also rose beetle , and rose fly . (b) The rose beetle (a) . -- Rose cold (Med.) , a variety of hay fever, sometimes attributed to the inhalation of the effluvia of roses. See Hay fever , under Hay . -- Rose color , the color of a rose; pink; hence, a beautiful hue or appearance; fancied beauty, attractiveness, or promise. 1252 -- Rose de Pompadour , Rose du Barry , names succesively given to a delicate rose color used on S\'8avres porcelain. -- Rose diamond , a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top. Cf. Brilliant , n. -- Rose ear . See under Ear . -- Rose elder (Bot.) , the Guelder-rose. -- Rose engine , a machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines. Craig. -- Rose family (Bot.) the Rosece\'91 . See Rosaceous . -- Rose fever (Med.) , rose cold. -- Rose fly (Zo\'94l.) , a rose betle, or rose chafer. -- Rose gall (Zo\'94l.) , any gall found on rosebushes. See Bedeguar . -- Rose knot , a ribbon, or other pliade band plaited so as to resemble a rose; a rosette. -- Rose lake , Rose madder , a rich tint prepared from lac and madder precipitated on an earthy basis. Fairholt. -- Rose mallow . (Bot.) (a) A name of several malvaceous plants of the genus Hibiscus , with large rose-colored flowers. (b) the hollyhock . -- Rose nail , a nail with a convex, faceted head. -- Rose noble , an ancient English gold coin, stamped with the figure of a rose, first struck in the reign of Edward III., and current at 6s. 8d. Sir W. Scott. -- Rose of China . (Bot.) See China rose (b) , under China . -- Rose of Jericho (Bot.) , a Syrian cruciferous plant ( Anastatica Hierochuntica ) which rolls up when dry, and expands again when moistened; -- called also resurrection plant . -- Rose of Sharon (Bot.) , an ornamental malvaceous shrub ( Hibiscus Syriacus ). In the Bible the name is used for some flower not yet identified, perhaps a Narcissus, or possibly the great lotus flower. -- Rose oil (Chem.) , the yellow essential oil extracted from various species of rose blossoms, and forming the chief part of attar of roses. -- Rose pink , a pigment of a rose color, made by dyeing chalk or whiting with a decoction of Brazil wood and alum; also, the color of the pigment. -- Rose quartz (Min.) , a variety of quartz which is rose-red. -- Rose rash . (Med.) Same as Roseola . -- Rose slug (Zo\'94l.) , the small green larva of a black sawfly ( Selandria ros\'91 ) . These larv\'91 feed in groups on the parenchyma of the leaves of rosebushes, and are often abundant and very destructive. -- Rose window (Arch.) , a circular window filled with ornamental tracery. Called also Catherine wheel , and marigold window . Cf. wheel window , under Wheel . -- Summer rose (Med.) , a variety of roseola. See Roseola . -- Under the rose [a translation of L. sub rosa ] , in secret; privately; in a manner that forbids disclosure; -- the rose being among the ancients the symbol of secrecy, and hung up at entertainments as a token that nothing there said was to be divulged. -- Wars of the Roses (Eng. Hist.) , feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster. >

Ro"se*o- (?) . (Chem.) A prefix (also used adjectively) signifying rose-red ; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds ) of cobalt with ammonia. Cf. Luteo -.

Roseola <Xpage= Cabbage rose , China rose , etc. See under Cabbage , China , etc. -- Corn rose (Bot.) See Corn poppy , under Corn . -- Infantile rose (Med.) , a variety of roseola. -- Jamaica rose . (Bot.) See under Jamaica . -- Rose acacia (Bot.) , a low American leguminous shrub ( Robinia hispida ) with handsome clusters of rose-colored blossoms. -- Rose aniline . (Chem.) Same as Rosaniline . -- Rose apple (Bot.) , the fruit of the tropical myrtaceous tree Eugenia Jambos . It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume. -- Rose beetle . (Zo\'94l.) (a) A small yellowish or buff longlegged beetle ( Macrodactylus subspinosus ), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug , and rose chafer . (b) The European chafer. -- Rose bug . (Zo\'94l.) same as Rose beetle , Rose chafer . -- Rose burner , a kind of gas-burner producing a rose-shaped flame. -- Rose camphor (Chem.) , a solid odorless substance which separates from rose oil. -- Rose campion . (Bot.) See under Campion . -- Rose catarrh (Med.) , rose cold. -- Rose chafer . (Zo\'94l.) (a) A common European beetle ( Cetonia aurata ) which is often very injurious to rosebushes; -- called also rose beetle , and rose fly . (b) The rose beetle (a) . -- Rose cold (Med.) , a variety of hay fever, sometimes attributed to the inhalation of the effluvia of roses. See Hay fever , under Hay . -- Rose color , the color of a rose; pink; hence, a beautiful hue or appearance; fancied beauty, attractiveness, or promise. 1252 -- Rose de Pompadour , Rose du Barry , names succesively given to a delicate rose color used on S\'8avres porcelain. -- Rose diamond , a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top. Cf. Brilliant , n. -- Rose ear . See under Ear . -- Rose elder (Bot.) , the Guelder-rose. -- Rose engine , a machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines. Craig. -- Rose family (Bot.) the Rosece\'91 . See Rosaceous . -- Rose fever (Med.) , rose cold. -- Rose fly (Zo\'94l.) , a rose betle, or rose chafer. -- Rose gall (Zo\'94l.) , any gall found on rosebushes. See Bedeguar . -- Rose knot , a ribbon, or other pliade band plaited so as to resemble a rose; a rosette. -- Rose lake , Rose madder , a rich tint prepared from lac and madder precipitated on an earthy basis. Fairholt. -- Rose mallow . (Bot.) (a) A name of several malvaceous plants of the genus Hibiscus , with large rose-colored flowers. (b) the hollyhock . -- Rose nail , a nail with a convex, faceted head. -- Rose noble , an ancient English gold coin, stamped with the figure of a rose, first struck in the reign of Edward III., and current at 6s. 8d. Sir W. Scott. -- Rose of China . (Bot.) See China rose (b) , under China . -- Rose of Jericho (Bot.) , a Syrian cruciferous plant ( Anastatica Hierochuntica ) which rolls up when dry, and expands again when moistened; -- called also resurrection plant . -- Rose of Sharon (Bot.) , an ornamental malvaceous shrub ( Hibiscus Syriacus ). In the Bible the name is used for some flower not yet identified, perhaps a Narcissus, or possibly the great lotus flower. -- Rose oil (Chem.) , the yellow essential oil extracted from various species of rose blossoms, and forming the chief part of attar of roses. -- Rose pink , a pigment of a rose color, made by dyeing chalk or whiting with a decoction of Brazil wood and alum; also, the color of the pigment. -- Rose quartz (Min.) , a variety of quartz which is rose-red. -- Rose rash . (Med.) Same as Roseola . -- Rose slug (Zo\'94l.) , the small green larva of a black sawfly ( Selandria ros\'91 ) . These larv\'91 feed in groups on the parenchyma of the leaves of rosebushes, and are often abundant and very destructive. -- Rose window (Arch.) , a circular window filled with ornamental tracery. Called also Catherine wheel , and marigold window . Cf. wheel window , under Wheel . -- Summer rose (Med.) , a variety of roseola. See Roseola . -- Under the rose [a translation of L. sub rosa ] , in secret; privately; in a manner that forbids disclosure; -- the rose being among the ancients the symbol of secrecy, and hung up at entertainments as a token that nothing there said was to be divulged. -- Wars of the Roses (Eng. Hist.) , feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster. >

Ro*se"o*la (?) , n. [NL., dim. of L. rosa a rose.] (med.) A rose-colored efflorescence upon the skin, occurring in circumscribed patches of little or no elevation and often alternately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; -- called also rose rash . -- Ro*se"o*lous (#) , a.