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Roquet

To hit another's ball with one's own.

Roral

Of or pertaining to dew; consisting of dew; dewy.

Roric

Of or pertaining to dew; resembling dew; dewy.

Rorqual

A very large North Atlantic whalebone whale (Physalus antiquorum, or Balaenoptera physalus). It has a dorsal fin, and strong longitudinal folds on the throat and belly. Called also razorback.

Rosaceous

Of or pertaining to a natural order of plants (Rosaceae) of which the rose is the type. It includes also the plums and cherries, meadowsweet, brambles, the strawberry, the hawthorn, applies, pears, service trees, and quinces. Like a rose in shape or appearance; as, a rosaceous corolla.

Rosacic

Pertaining to, or designating, an acid (called also lithic acid) found in certain red precipitates of urine. See Uric.

Rosalia

A form of melody in which a phrase or passage is successively repeated, each time a step or half step higher; a melodic sequence.

Rosaniline

A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colorless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived from, or related to, rosaniline proper.

Rosary

A bed of roses, or place where roses grow.

Roscid

Containing, or consisting of, dew; dewy.

Roscoelite

A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.

Rose

To render rose-colored; to redden; to flush.

Rose-colored

Having the color of a pink rose; rose-pink; of a delicate pink color.

Rose-cut

Cut flat on the reverse, and with a convex face formed of triangular facets in rows; -- said of diamonds and other precious stones. See Rose diamond, under Rose. Cf. Brilliant, n.

Rose-pink

Having a pink color like that of the rose, or like the pigment called rose pink. See Rose pink, under Rose.

Rose-red

Red as a rose; specifically (Zool.), of a pure purplish red color.

Rose-rial

A name of several English gold coins struck in different reigns and having having different values; a rose noble.

Rose-water

Having the odor of rose water; hence, affectedly nice or delicate; sentimental.

Roseal

resembling a rose in smell or color.

Roseate

Full of roses; rosy; as, roseate bowers.

Rosebay

the oleander. Any shrub of the genus Rhododendron. An herb (Epilobium spicatum) with showy purple flowers, common in Europe and North America; -- called also great willow herb.

Rosebud

The flower of a rose before it opens, or when but partially open.

Rosebush

The bush or shrub which bears roses.

Rosefinch

Any one of numerous species of Asiatic finches of the genera Carpodacus, and Propasser, and allied genera, in which the male is more or less colored with rose red.

Rosefish

A large marine scorpaenoid food fish (Sebastes marinus) found on the northern coasts of Europe and America. called also red perch, hemdurgan, Norway haddok, and also, erroneously, snapper, bream, and bergylt.

Roselite

A hydrous arsenite of cobalt, occuring in small red crystals, allied to erythrite.

Rosella

A beautiful Australian parrakeet (Platycercus eximius) often kept as a cage bird. The head and back of the neck are scarlet, the throat is white, the back dark green varied with lighter green, and the breast yellow.

Roselle

a malvaceous plant (Hibiscus Sabdariffa) cultivated in the east and West Indies for its fleshy calyxes, which are used for making tarts and jelly and an acid drink.

Rosemaloes

The liquid storax of the East Indian Liquidambar orientalis.

Rosemary

A labiate shrub (Rosmarinus officinalis) with narrow grayish leaves, growing native in the southern part of France, Spain, and Italy, also in Asia Minor and in China. It has a fragrant smell, and a warm, pungent, bitterish taste. It is used in cookery, perfumery, etc., and is an emblem of fidelity or constancy.

Rosen

Consisting of roses; rosy.

Roseola

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.

Roser

A rosier; a rosebush.

Roseroot

A fleshy-leaved herb (Rhodiola rosea); rosewort; -- so called because the roots have the odor of roses.

Rosery

A place where roses are cultivated; a nursery of roses. See Rosary, 1.

Roset

A red color used by painters.

Rosette

An imitation of a rose by means of ribbon or other material, -- used as an ornament or a badge.

Rosewood

A valuable cabinet wood of a dark red color, streaked and variegated with black, obtained from several tropical leguminous trees of the genera Dalbergia and Machaerium. The finest kind is from Brazil, and is said to be from the Dalbergia nigra.

Roseworm

The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cacaecia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds.

Rosewort

Roseroot. Any plant nearly related to the rose.

Rosicrucian

Of or pertaining to the Rosicrucians, or their arts.

Rosied

Decorated with roses, or with the color of roses.

Rosier

A rosebush; roses, collectively.

Rosin

To rub with rosin, as musicians rub the bow of a violin.

Rosinweed

The compass plant. See under Compass. A name given in California to various composite plants which secrete resins or have a resinous smell.

Rosiny

like rosin, or having its qualities.

Rosland

heathy land; land full of heather; moorish or watery land.

Rosmarine

A fabulous sea animal which was reported to climb by means of its teeth to the tops of rocks to feed upon the dew.

Rosolic

Pertaining to, or designating, a complex red dyestuff (called rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.

Ross

To divest of the ross, or rough, scaly surface; as, to ross bark.

Rostellate

Having a rostellum, or small beak; terminating in a beak.

Rostellum

A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm.

Roster

A register or roll showing the order in which officers, enlisted men, companies, or regiments are called on to serve.

Rostral

Of or pertaining to the beak or snout of an animal, or the beak of a ship; resembling a rostrum, esp., the rostra at Rome, or their decorations.

Rostrifera

A division of pectinibranchiate gastropods, having the head prolonged into a snout which is not retractile.

Rostrulum

A little rostrum, or beak, as of an insect.

Rosulate

Arranged in little roselike clusters; -- said of leaves and bracts.

Rosy

Resembling a rose in color, form, or qualities; blooming; red; blushing; also, adorned with roses.

Rot

Process of rotting; decay; putrefaction.

Rota

A species of zither, played like a guitar, used in the Middle Ages in church music; -- written also rotta.

Rotal

Relating to wheels or to rotary motion; rotary.

Rotalite

Any fossil foraminifer of the genus Rotalia, abundant in the chalk formation. See Illust. under Rhizopod.

Rotary

Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary motion.

Rotate

To cause to turn round or revolve, as a wheel around an axle.

Rotated

Turned round, as a wheel; also, wheel-shaped; rotate.

Rotation

Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.

Rotative

turning, as a wheel; rotary; rotational.

Rotator

that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis.

Rotche

A very small arctic sea bird (Mergulus alle, or Alle alle) common on both coasts of the Atlantic in winter; -- called also little auk, dovekie, rotch, rotchie, and sea dove.

Rotchet

The European red gurnard (Trigla pini).

Rote

To go out by rotation or succession; to rotate.

Rotella

Any one of numerous species of small, polished, brightcolored gastropods of the genus Rotella, native of tropical seas.

rotenone

A chemical substance (C23H22O6) extracted from the root of the derris (Derris elliptica, Derris malaccensis, and other species), used in treatment of scabies and as an insecticide for external infestation by chiggers in human medicine, and in veterinary medicine for the treatment of infestations with fleas, ticks, and lice.

Rotifer

One of the Rotifera. See Illust. in Appendix.

Rotifera

An order of minute worms which usually have one or two groups of vibrating cilia on the head, which, when in motion, often give an appearance of rapidly revolving wheels. The species are very numerous in fresh waters, and are very diversified in form and habits.

Rotiform

Wheel-shaped; as, rotiform appendages.

Rotograph

A photograph printed by a process in which a strip or roll of sensitized paper is automatically fed over the negative so that a series of prints are made, and are then developed, fixed, cut apart, and washed at a very rapid rate.

Rotor

The rotating part of a generator or motor. Contrasted with stator, the stationary part.

Rotten

Having rotted; putrid; decayed; as, a rotten apple; rotten meat. Offensive to the smell; fetid; disgusting.

Rotula

The patella, or kneepan.

Rotular

Of or pertaining to the rotula, or kneepan.

Rotunda

A round building; especially, one that is round both on the outside and inside, like the Pantheon at Rome. Less properly, but very commonly, used for a large round room; as, the rotunda of the Capitol at Washington.

Rotundate

Rounded; especially, rounded at the end or ends, or at the corners.

Rotundity

The state or quality of being rotu/; roundness; sphericity; circularity.

Roture

The condition of being a roturier.

Roturier

A person who is not of noble birth; specif., a freeman who during the prevalence of feudalism held allodial land.

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