| rhabdomancer | (noun) someone who uses a divining rod to find underground water | Synonyms: dowser, water witch |
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| rhabdomancy | (noun) searching for underground water or minerals by using a dowsing rod | Synonyms: dowse, dowsing |
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| rhabdomyoma | (noun) benign tumor of striated muscle | - |
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| rhabdomyosarcoma | (noun) a highly malignant neoplasm derived from striated muscle | Synonyms: rhabdosarcoma |
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| rhabdosarcoma | (noun) a highly malignant neoplasm derived from striated muscle | Synonyms: rhabdomyosarcoma |
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| rhabdovirus | (noun) any of a group of arboviruses including those causing rabies | - |
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| rhagades | (noun) cracks or fissures in the skin (especially around the mouth or anus) | - |
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| rhaphe | (noun) a ridge that forms a seam between two parts | Synonyms: raphe |
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| rhapsodic | (adjective) feeling great rapture or delight | Synonyms: ecstatic, enraptured, rapt, rapturous |
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| rhapsodically | (adverb) in an ecstatic manner | Synonyms: ecstatically, rapturously |
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| rhapsodise | (verb) say (something) with great enthusiasm | Synonyms: rhapsodize |
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| (verb) recite a rhapsody | Synonyms: rhapsodize |
| rhapsodize | (verb) say (something) with great enthusiasm | Synonyms: rhapsodise |
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| (verb) recite a rhapsody | Synonyms: rhapsodise |
| rhapsody | (noun) (in ancient Greece) an epic poem adapted for recitation | - |
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| (noun) (music) a free instrumental composition in one extended movement; typically emotional or exuberant in character | - |
| (noun) an enthusiastic expression of emotion | - |
| rhea | (noun) larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia | Synonyms: Rhea americana |
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| (noun) smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan | Synonyms: nandu, Pterocnemia pennata |
| rhenium | (noun) a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum | Synonyms: atomic number 75, Re |
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| rheologic | (adjective) of or relating to rheology | Synonyms: rheological |
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| rheological | (adjective) of or relating to rheology | Synonyms: rheologic |
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| rheology | (noun) the branch of physics that studies the deformation and flow of matter | - |
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| rheometer | (noun) an instrument for measuring the flow of liquids (especially arterial blood) | - |
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| rheostat | (noun) resistor for regulating current | Synonyms: variable resistor |
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| rhesus | (noun) of southern Asia; used in medical research | Synonyms: Macaca mulatta, rhesus monkey |
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| rhetoric | (noun) study of the technique and rules for using language effectively (especially in public speaking) | - |
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| (noun) using language effectively to please or persuade | - |
| (noun) high-flown style; excessive use of verbal ornamentation | Synonyms: grandiloquence, grandiosity, magniloquence, ornateness |
| (noun) loud and confused and empty talk | Synonyms: empty talk, empty words, hot air, palaver |
| rhetorical | (adjective) given to rhetoric, emphasizing style at the expense of thought | - |
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| (adjective) of or relating to rhetoric | - |
| rhetorically | (adverb) in a rhetorical manner | - |
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| rhetorician | (noun) a person who delivers a speech or oration | Synonyms: orator, public speaker, speechifier, speechmaker |
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| rheum | (noun) a watery discharge from the mucous membranes (especially from the eyes or nose) | - |
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| rheumatic | (adjective) of or pertaining to arthritis | Synonyms: arthritic, creaky, rheumatoid, rheumy |
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| (noun) a person suffering with rheumatism | - |
| rheumatism | (noun) any painful disorder of the joints or muscles or connective tissues | - |
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| (noun) a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint | Synonyms: atrophic arthritis, rheumatoid arthritis |
| rheumatoid | (adjective) of or pertaining to arthritis | Synonyms: arthritic, creaky, rheumatic, rheumy |
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| rheumatologist | (noun) a physician specializing in rheumatic diseases | - |
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| rheumatology | (noun) the branch of medicine dealing with the study and treatment of pathologies of the muscles or tendons or joints | - |
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| rheumy | (adjective) of or pertaining to arthritis | Synonyms: arthritic, creaky, rheumatic, rheumatoid |
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| (adjective) moist, damp, wet (especially of air) | - |
| rhinal | (adjective) of or in or relating to the nose | Synonyms: nasal |
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| rhinencephalon | (noun) a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior | Synonyms: olfactory brain |
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| rhinestone | (noun) an imitation diamond made from rock crystal or glass or paste | - |
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| rhinion | (noun) the anterior tip at the end of the suture of the nasal bones | - |
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| rhinitis | (noun) an inflammation of the mucous membrane lining the nose (usually associated with nasal discharge) | Synonyms: coryza |
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| rhino | (noun) massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout | Synonyms: rhinoceros |
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| rhinoceros | (noun) massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout | Synonyms: rhino |
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| rhinolaryngologist | (noun) a specialist in the disorders of the ear or nose or throat | Synonyms: ear-nose-and-throat doctor, ENT man, otolaryngologist, otorhinolaryngologist |
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| rhinolaryngology | (noun) the medical specialty that deals with diseases of the ear, nose and throat | Synonyms: otolaryngology, otorhinolaryngology |
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| rhinopathy | (noun) any disease or malformation of the nose | - |
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| rhinophyma | (noun) enlargement of the nose with dilation of follicles and redness and prominent vascularity of the skin; often associated with excessive consumption of alcohol | Synonyms: brandy nose, copper nose, hammer nose, hypertrophic rosacea, potato nose, rum-blossom, rum nose, toper's nose |
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| rhinoplasty | (noun) cosmetic surgery to improve the appearance of your nose | Synonyms: nose job |
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| rhinorrhea | (noun) persistent watery mucus discharge from the nose (as in the common cold) | - |
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| rhinoscope | (noun) medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx) | - |
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| rhinoscopy | (noun) examination of the nasal passages (either through the anterior nares or with a rhinoscope through the nasopharynx) | - |
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| rhinosporidiosis | (noun) fungal infection of the nose; often acquired while swimming | - |
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| rhinostenosis | (noun) narrowing of the passages in the nasal cavities | - |
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| rhinotomy | (noun) surgical procedure in which an incision is made in the nose to drain accumulated pus | - |
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| rhinotracheitis | (noun) a respiratory infection of the nose and throat in cattle | - |
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| rhinovirus | (noun) any of a group of picornaviruses that are responsible for many upper respiratory infections | - |
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| rhizoctinia | (noun) any fungus now or formerly belonging to the form genus Rhizoctinia | - |
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| rhizoid | (noun) any of various slender filaments that function as roots in mosses and ferns and fungi etc | - |
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| rhizoidal | (adjective) of or relating to a rhizoid | - |
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| rhizomatous | (adjective) producing or possessing or resembling rhizomes | - |
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| rhizome | (noun) a horizontal plant stem with shoots above and roots below serving as a reproductive structure | Synonyms: rootstalk, rootstock |
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| rhizomorph | (noun) a dense mass of hyphae forming a root-like structure characteristic of many fungi | - |
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| rhizopod | (noun) protozoa characterized by a pseudopod | Synonyms: rhizopodan |
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| rhizopodan | (noun) protozoa characterized by a pseudopod | Synonyms: rhizopod |
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| rhizopus | (noun) any of various rot causing fungi of the genus Rhizopus | - |
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| rhizotomy | (noun) surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms | - |
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| rho | (noun) the 17th letter of the Greek alphabet | - |
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| rhodanthe | (noun) Australian annual everlasting having light pink nodding flower heads; sometimes placed in genus Helipterum | Synonyms: Helipterum manglesii, Rhodanthe manglesii, Swan River everlasting |
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| rhodium | (noun) a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum | Synonyms: atomic number 45, Rh |
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| rhodochrosite | (noun) a mineral consisting of manganese carbonate; a source of manganese | - |
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| rhododendron | (noun) any shrub of the genus Rhododendron: evergreen shrubs or small shrubby trees having leathery leaves and showy clusters of campanulate (bell-shaped) flowers | - |
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| rhodolite | (noun) a red or pink variety of garnet used as a gemstone | - |
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| rhodomontade | (noun) vain and empty boasting | Synonyms: bluster, braggadocio, rodomontade |
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| rhodonite | (noun) a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone | - |
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| rhodopsin | (noun) a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light | Synonyms: retinal purple, visual purple |
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| rhomb | (noun) a parallelogram with four equal sides; an oblique-angled equilateral parallelogram | Synonyms: diamond, rhombus |
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| rhombencephalon | (noun) the posterior portion of the brain including cerebellum and brainstem | Synonyms: hindbrain |
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| rhombic | (adjective) resembling a rhombus | - |
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| rhombohedral | (adjective) having threefold symmetry | Synonyms: trigonal |
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| rhombohedron | (noun) a parallelepiped bounded by six similar faces (either rhombuses or parallelograms) | - |
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| rhomboid | (adjective) shaped like a rhombus or rhomboid | Synonyms: rhomboidal |
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| (noun) any of several muscles of the upper back that help move the shoulder blade | Synonyms: rhomboid muscle |
| (noun) a parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal | - |
| rhomboidal | (adjective) shaped like a rhombus or rhomboid | Synonyms: rhomboid |
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| rhombus | (noun) a parallelogram with four equal sides; an oblique-angled equilateral parallelogram | Synonyms: diamond, rhomb |
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| rhonchus | (noun) a sound like whistling or snoring that is heard with a stethoscope during expiration as air passes through obstructed channels | - |
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| rhubarb | (noun) long pinkish sour leafstalks usually eaten cooked and sweetened | Synonyms: pieplant |
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| (noun) plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous | Synonyms: rhubarb plant |
| rhumb | (noun) a line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction | Synonyms: loxodrome, rhumb line |
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| rhumba | (noun) a folk dance in duple time that originated in Cuba with Spanish and African elements; features complex footwork and violent movement | Synonyms: rumba |
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| (noun) a ballroom dance based on the Cuban folk dance | Synonyms: rumba |
| (noun) syncopated music in duple time for dancing the rumba | Synonyms: rumba |
| (verb) dance the rhumba | Synonyms: rumba |
| rhyme | (noun) correspondence in the sounds of two or more lines (especially final sounds) | Synonyms: rime |
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| (noun) a piece of poetry | Synonyms: verse |
| (verb) compose rhymes | Synonyms: rime |
| (verb) be similar in sound, especially with respect to the last syllable | Synonyms: rime |
| rhymed | (adjective) having corresponding sounds especially terminal sounds | Synonyms: rhyming, riming |
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| rhymeless | (adjective) not having rhyme | Synonyms: rimeless, unrhymed, unrimed |
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| rhymer | (noun) a writer who composes rhymes; a maker of poor verses (usually used as terms of contempt for minor or inferior poets) | Synonyms: poetiser, poetizer, rhymester, versifier |
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| rhymester | (noun) a writer who composes rhymes; a maker of poor verses (usually used as terms of contempt for minor or inferior poets) | Synonyms: poetiser, poetizer, rhymer, versifier |
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| rhyming | (adjective) having corresponding sounds especially terminal sounds | Synonyms: rhymed, riming |
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| rhyolite | (noun) very acid volcanic rock | - |
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| rhythm | (noun) natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) | Synonyms: calendar method, calendar method of birth control, rhythm method, rhythm method of birth control |
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| (noun) recurring at regular intervals | Synonyms: regular recurrence |
| (noun) (architecture) the repetitive use of a group of visual elements to establish a recognizable pattern | - |
| (noun) the arrangement of spoken words alternating stressed and unstressed elements | Synonyms: speech rhythm |
| (noun) the basic rhythmic unit in a piece of music | Synonyms: beat, musical rhythm |
| (noun) an interval during which a recurring sequence of events occurs | Synonyms: cycle, round |
| rhythmic | (adjective) recurring with measured regularity | Synonyms: rhythmical |
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| rhythmical | (adjective) recurring with measured regularity | Synonyms: rhythmic |
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| rhythmically | (adverb) in a rhythmic manner | - |
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| rhythmicity | (noun) the rhythmic property imparted by the accents and relative durations of notes in a piece of music | - |
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| rhytidectomy | (noun) plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised | Synonyms: cosmetic surgery, face lift, face lifting, facelift, lift, nip and tuck, rhytidoplasty |
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| rhytidoplasty | (noun) plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised | Synonyms: cosmetic surgery, face lift, face lifting, facelift, lift, nip and tuck, rhytidectomy |
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