| Russian influenza | A pandemic of a strain influenza A virus thought to have originated in Russia; occurred in 1978. (05 Mar 2000) |
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| Russian spring-summer encephalitis virus | An arbovirus of the genus Flavivirus that occurs in Central Europe and the USSR in two subtypes, causing two forms of encephalitis in humans: tick-borne encephalitis (Central European subtype) and tick-borne encephalitis (Eastern subtype); the vectors are ticks of the genus Ixodes. Synonym: Russian spring-summer encephalitis virus, tick-borne virus. (05 Mar 2000) |
| Russian tick-borne encephalitis | 1. (Central European subtype) tick-borne meningoencephalitis caused by a flavivirus closely related to the virus causing the Far Eastern type; it is transmitted by Ixodes ricinus, also by infected raw milk, especially that of goats. Synonym: biundulant meningoencephalitis, Central European tick-borne fever, diphasic milk fever, Russian spring-summer encephalitis (Western subtype). 2. (Eastern subtype) tick-borne encephalitis, a severe form of encephalitis caused by a flavivirus, a virus belonging to the Flaviviridae family, and transmitted by ticks (Ixodes pertulcatus and I. Ricinus). Synonym: Russian tick-borne encephalitis. (05 Mar 2000) |
| russophobia | <psychology> Morbid dread of Russia or of Russian influence. Origin: Gr. Phobos = fear (16 Mar 1998) |
| rust | A type of club fungus that is a parasite on plants. The most common rust is Pucciniagraminis (black stem rust in wheat). (09 Oct 1997) |
| Rust's disease | Tuberculosis of the two upper cervical vertebrae and their articulations. Synonym: malum vertebrale suboccipitale, spondylarthrocace, spondylocace. (05 Mar 2000) |
| Rust's phenomenon | In cancer or caries of the upper cervical vertebrae, the patient will always support the head by the hands when changing from the recumbent to the sitting posture or the reverse. (05 Mar 2000) |
| Rust, Johann | <person> German surgeon, 1775-1840. See: Rust's disease, Rust's phenomenon. (05 Mar 2000) |
| rustic | 1. Of or pertaining to the country; rural; as, the rustic gods of antiquity. "And many a holy text around she strews, That teach the rustic moralist to die." (Gray) "She had a rustic, woodland air." (Wordsworth) 2. Rude; awkward; rough; unpolished; as, rustic manners. "A rustic muse." 3. Coarse; plain; simple; as, a rustic entertainment; rustic dress. 4. Simple; artless; unadorned; unaffected. Rustic moth Summer houses, or furniture for summer houses, etc, made of rough limbs of trees fancifully arranged. Synonym: Rural, rude, unpolished, inelegant, untaught, artless, honest. See Rural. Origin: L. Rusticus, fr. Rus, ruris, the country: cf. F. Rustique. See Rural. Source: Websters Dictionary (01 Mar 1998) |
| rustle | A quick succession or confusion of small sounds, like those made by shaking leaves or straw, by rubbing silk, or the like; a rustling. "When the noise of a torrent, the rustle of a wood, the song of birds, or the play of lambs, had power to fill the attention, and suspend all perception of the course of time." (Idler) Source: Websters Dictionary (01 Mar 1998) |
| rusts | Species of Puccinia and other microbes comprising important pathogens of plants, especially cereal grains; they are important allergens for humans when inhaled in large numbers, as in harvesting processes. (05 Mar 2000) |
| rusty | 1. Covered or affected with rust; as, a rusty knife or sword; rusty wheat. 2. Impaired by inaction, disuse, or neglect. "[Hector] in this dull and long-continued truce, Is rusty grown." (Shak) 3. Discoloured and rancid; reasty; as, rusty bacon. 4. Surly; morose; crusty; sullen. "Rusty words." 5. Rust-coloured; dark. "Rusty blood." 6. Discoloured; stained; not cleanly kept; filthy. "The rustly little schooners that bring fire wood from the Brititsh provinces." (Hawthorne) 7. <botany> Resembling, or covered with a substance resembling, rust; affected with rust; rubiginous. Origin: Rustier; Rustiest. Source: Websters Dictionary (01 Mar 1998) |
| rusty sputum | A reddish brown, blood-stained expectoration characteristic of lobar pneumonococcal pneumonia. (05 Mar 2000) |
| rut | 1. <physiology> Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists. 2. Roaring, as of waves breaking upon the shore; rote. See Rote. Origin: F. Rut, OF. Ruit, L. Ruditus a roaring, fr. Rugire to roar; -sp called from the noise made by deer in rutting time. Source: Websters Dictionary (01 Mar 1998) |
| ruta-baga | <botany> A kind of turnip commonly with a large and long or ovoid yellowish root; a Swedish turnip. See Turnip. Source: Websters Dictionary (01 Mar 1998) |