| rutile | <chemical> A mineral usually of a reddish brown colour, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brooklite. Origin: L. Rutilus red, inclining to golden yellow. Source: Websters Dictionary (01 Mar 1998) |
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| rutilian | <zoology> Any species of lamellicorn beetles belonging to Rurila and allied genera, as the spotted grapevine beetle (Pelidnota punctata). Source: Websters Dictionary (01 Mar 1998) |
| rutin | <chemistry> A glucoside resembling, but distinct from, quercitrin. Rutin is found in the leaves of the rue (Ruta graveolens) and other plants, and obtained as a bitter yellow crystalline substance which yields quercitin on decomposition. Source: Websters Dictionary (01 Mar 1998) |
| rutinose | 6-O-alpha-l-Rhamnosyl-d-glucose;a disaccharide of d-glucose and l-rhamnose, and a component of rutin. (05 Mar 2000) |
| rutoside | <chemistry> A glucoside resembling, but distinct from, quercitrin. Rutin is found in the leaves of the rue (Ruta graveolens) and other plants, and obtained as a bitter yellow crystalline substance which yields quercitin on decomposition. Source: Websters Dictionary (01 Mar 1998) |
| ruttle | A rattling sound in the throat arising from difficulty of breathing; a rattle. Source: Websters Dictionary (01 Mar 1998) |
| rutylene | <chemistry> A liquid hydrocarbon, C10H18, of the acetylene series. It is produced artificially. Source: Websters Dictionary (01 Mar 1998) |