| ottawas | <ethnology> A tribe of Indians who, when first known, lived on the Ottawa River. most of them subsequently migrated to the southwestern shore of Lake Superior. Source: Websters Dictionary (01 Mar 1998) |
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| otter | 1. <zoology> Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia. 2. <zoology> The larva of the ghost moth. It is very injurious to hop vines. Otter hound, Otter dog Origin: OE. Oter, AS. Otor; akin to D. & G. Otter, Icel. Otr, Dan. Odder, Sw. Utter, Lith. Udra, Russ, vuidra, Gr. Water serpent, hydra, Skr. Udra otter, and also to E. Water. 137. See Water, and cf. Hydra. Source: Websters Dictionary (01 Mar 1998) |
| otters | Fish-eating carnivores of the family mustelidae, found on both hemispheres. (12 Dec 1998) |
| Otto | Adolph W., German surgeon, 1786-1845. See: Otto pelvis, Otto's disease. (05 Mar 2000) |
| otto of rose | A volatile oil from the fresh flowers of Rosa gallica and R. Damascena and other members of the Rosaceae family. Used largely in perfumery; ointments, and toilet preparations. Synonym: attar of rose, essence of rose, otto of rose. (05 Mar 2000) |
| Otto pelvis | A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. (05 Mar 2000) |
| Otto's disease | A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. (05 Mar 2000) |
| ottoman | Of or pertaining to the Turks; as, the Ottoman power or empire. Origin: F. Ottoman: cf. It. Ottomano, ottomanno; from Othoman, Othman, or Osman, the name of a sultan who assumed the government of Turkey about the year 1300. Cf. Osmanli, Ottoman a stuffed seat. 1. A Turk. 2. [F. Ottomane, from ottoman Turkish] A stuffed seat without a back, originally used in Turkey. Source: Websters Dictionary (01 Mar 1998) |
| ottomite | An Ottoman. Source: Websters Dictionary (01 Mar 1998) |
| Ottoson | David, 20th century Swedish physiologist. See: Ottoson potential. (05 Mar 2000) |
| Ottoson potential | <investigation> An electronegative wave of potential occurring on the surface of the olfactory epithelium in response to stimulation by an odour. Synonym: osmogram, Ottoson potential. (05 Mar 2000) |
| ottrelite | <chemical> A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists. Origin: From Ottrez, on the borders of Luxembourg. Source: Websters Dictionary (01 Mar 1998) |