Rhipidoglossa (n. pl.) A division of gastropod mollusks having a large number of long, divergent, hooklike, lingual teeth in each transverse row. It includes the scutibranchs. See Illustration in Appendix.
Rhipipter (n.) One of the Rhipiptera, a group of insects having wings which fold like a fan; a strepsipter.
Rhipipteran (n.) Same as Rhipipter.
Rhizanthous (a.) Producing flowers from a rootstock, or apparently from a root.
Rhizine (n.) A rootlike filament or hair growing from the stems of mosses or on lichens; a rhizoid.
Rhizocarpous (a.) Having perennial rootstocks or bulbs, but annual flowering stems; -- said of all perennial herbs.
Rhizocephala (n. pl.) A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix.
Rhizodont (n.) A reptile whose teeth are rooted in sockets, as the crocodile.
Rhizogan (a.) Prodicing roots.
Rhizogen (n.) One of a proposed class of flowering plants growning on the roots of other plants and destitute of green foliage.
Rhizoid (n.) A rootlike appendage.
Rhizomata (pl. ) of Rhizoma
Rhizoma (n.) SAme as Rhizome.
Rhizomatous (a.) Having the nature or habit of a rhizome or rootstock.
Rhizome (n.) A rootstock. See Rootstock.
Rhizophaga (n. pl.) A division of marsupials. The wombat is the type.
Rhizophagous (a.) Feeding on roots; root-eating.
Rhizophora (n.) A genus of trees including the mangrove. See Mangrove.
Rhizophorous (a.) Bearing roots.
Rhizopod (n.) One of the Rhizopoda.
Rhizopoda (n. pl.) An extensive class of Protozoa, including those which have pseudopodia, by means of which they move about and take their food. The principal groups are Lobosa (or Am/bea), Helizoa, Radiolaria, and Foraminifera (or Reticularia). See Protozoa.
Rhizopodous (a.) Of or pertaining to the rhizopods.
Rhizostomata (n. pl.) A suborder of Medusae which includes very large species without marginal tentacles, but having large mouth lobes closely united at the edges. See Illust. in Appendix.
Rhizostome (n.) One of the Rhizostomata.
Rhizotaxis (n.) The arrangement of the roots of plants.
Rhob (n.) See 1st Rob.
Rhodammonium (a.) Pertaining to, derived from, or containing, rhodium and ammonia; -- said of certain complex compounds.
Rhodanate (n.) A salt of rhodanic acid; a sulphocyanate.
Rhodanic (a.) Pertaining to, or designating, an acid (commonly called sulphocyanic acid) which frms a red color with ferric salts.
Rhodeoretin (n.) Same as Convolvuln.
Rhodian (a.) Of or pertaining to Rhodes, an island of the Mediterranean.
Rhodian (n.) A native or inhabitant of Rhodes.
Rhodic (a.) Of or pertaining to rhodium; containing rhodium.
Rhodium (n.) A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12.
Rhodizonic (a.) Pertaining to, or designating, a colorless crystalline substance (called rhodizonic acid, and carboxylic acid) obtained from potassium carboxide and from certain quinones. It forms brilliant red, yellow, and purple salts.
Rhodochrosite (n.) Manganese carbonate, a rose-red mineral sometimes occuring crystallized, but generally massive with rhombohedral cleavage like calcite; -- called also dialogite.
Rhodocrinite (n.) A rose encrinite.
Rhododendron (n.) A genus of shrubs or small trees, often having handsome evergreen leaves, and remarkable for the beauty of their flowers; rosebay.
Rhodomontade (n.) See Rodomontade.
Rhodomontader (n.) See Rodomontador.
Rhodonite (n.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose-red masses. It is often used as an ornamental stone.
Rhodophane (n.) The red pigment contained in the inner segments of the cones of the retina in animals. See Chromophane.
Rhodopsin (n.) The visual purple. See under Visual.
Rhodosperm (n.) Any seaweed with red spores.
Rhomb (n.) An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two being obtuse and two acute, as in the cut, or the angles may be equal, in which case it is usually called a square.
Rhomb (n.) A rhombohedron.
Rhombic (a.) Shaped like a rhomb.
Rhombic (a.) Same as Orthorhombic.
Rhomboganoid (n.) A ganoid fish having rhombic enameled scales; one of the Rhomboganoidei.
Rhomboganoidei (n. pl.) Same as Ginglymodi.
Rhombogene (n.) A dicyemid which produces infusorialike embryos; -- opposed to nematogene. See Dicyemata.
Rhombohedral (a.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron.
Rhombohedric (a.) Rhombohedral.
Rhombohedron (n.) A solid contained by six rhomboids; a parallelopiped.
Rhomboid (n.) An oblique-angled parallelogram like a rhomb, but having only the opposite sides equal, the length and with being different.
Rhomboid (a.) Same as Rhomboidal.
Rhomboidal (a.) Having, or approaching, the shape of a rhomboid.
Rhomboides (n.) A rhomboid.
Rhomboid-ovate (a.) Between rhomboid and ovate, or oval, in shape.
Rhomb spar () A variety of dolomite.
Rhombus (n.) Same as Rhomb, 1.
Rhonchal (a.) Rhonchial.
Rhonchial (a.) Of or pertaining to a rhonchus; produced by rhonchi.
Rhonchisonant (a.) Making a snorting noise; snorting.
Rhonchi (pl. ) of Rhonchus
Rhonchus (n.) An adventitious whistling or snoring sound heard on auscultation of the chest when the air channels are partially obstructed. By some writers the term rhonchus is used as equivalent to rale in its widest sense. See Rale.
Rhopalic (a.) Applied to a line or verse in which each successive word has one more syllable than the preceding.
Rhopalia (pl. ) of Rhopalium
Rhopalium (n.) One of the marginal sensory bodies of medusae belonging to the Discophora.
Rhopalocera (n. pl.) A division of Lepidoptera including all the butterflies. They differ from other Lepidoptera in having club-shaped antennae.
Rhotacism (n.) An oversounding, or a misuse, of the letter r; specifically (Phylol.), the tendency, exhibited in the Indo-European languages, to change s to r, as wese to were.
Rhubarb (n.) The name of several large perennial herbs of the genus Rheum and order Polygonaceae.
Rhubarb (n.) The large and fleshy leafstalks of Rheum Rhaponticum and other species of the same genus. They are pleasantly acid, and are used in cookery. Called also pieplant.
Rhubarb (n.) The root of several species of Rheum, used much as a cathartic medicine.
Rhubarby (a.) Like rhubarb.
Rhumb (n.) A line which crosses successive meridians at a constant angle; -- called also rhumb line, and loxodromic curve. See Loxodromic.
Rhus (n.) A genus of shrubs and small treets. See Sumac.
Rhusma (n.) A mixtire of caustic lime and orpiment, or tersulphide of arsenic, -- used in the depilation of hides.
Rhyme (n.) An expression of thought in numbers, measure, or verse; a composition in verse; a rhymed tale; poetry; harmony of language.
Rhyme (n.) Correspondence of sound in the terminating words or syllables of two or more verses, one succeeding another immediately or at no great distance. The words or syllables so used must not begin with the same consonant, or if one begins with a vowel the other must begin with a consonant. The vowel sounds and accents must be the same, as also the sounds of the final consonants if there be any.
Rhyme (n.) Verses, usually two, having this correspondence with each other; a couplet; a poem containing rhymes.
Rhyme (n.) A word answering in sound to another word.
Rhymed (imp. & p. p.) of Rhyme
Rhyming (p. pr. & vb. n.) of Rhyme
Rhyme (n.) To make rhymes, or verses.
Rhyme (n.) To accord in rhyme or sound.
Rhyme (v. t.) To put into rhyme.
Rhyme (v. t.) To influence by rhyme.
Rhymeless (a.) Destitute of rhyme.
Rhymer (n.) One who makes rhymes; a versifier; -- generally in contempt; a poor poet; a poetaster.
Rhymery (n.) The art or habit of making rhymes; rhyming; -- in contempt.
Rhymester (n.) A rhymer; a maker of poor poetry.
Rhymic (a.) Pertaining to rhyme.
Rhymist (n.) A rhymer; a rhymester.
Rhynchobdellea (n. pl.) A suborder of leeches including those that have a protractile proboscis, without jaws. Clepsine is the type.
Rhynchocephala (n. pl.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia.
Rhynchocoela (n. pl.) Same as Nemertina.
Rhyncholite (n.) A fossil cephalopod beak.
Rhynchonella (n.) A genus of brachiopods of which some species are still living, while many are found fossil.
Rhynchophora (n. pl.) A group of Coleoptera having a snoutlike head; the snout beetles, curculios, or weevils.