| clay shoveler's fracture | <radiology> Avulsion fracture of spinous process of C7 or T1, sudden load on a flexed spine, may occur secondary to rotational injury see: cervical spine fractures (12 Dec 1998) |
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| shoveler | 1. One who, or that which, shovels. 2. <zoology> A river duck (Spatula clypeata), native of Europe and America. It has a large bill, broadest towards the tip. The male is handsomely variegated with green, blue, brown, black, and white on the body; the head and neck are dark green. Called also broadbill, spoonbill, shovelbill, and maiden duck. The Australian shoveler, or shovel-nosed duck (S. Rhynchotis), is a similar species. Origin: Also shoveller. Source: Websters Dictionary (01 Mar 1998) |
| clay | <ecology> Particles in siliciclastic sediment that are smaller than 0.0039 millimetres in size, according to the Udden-Wentworth scale. Clay and silt are collectively classified as mud. A collective term for a large group of minerals that are found in great abundance in extremely fine-grained sediments or sedimentary rocks (i.e. Shales). (09 Oct 1997) |
| clay pigeon poisoning | A highly fatal disease of swine, usually caused by the ingestion of fragments of the clay pigeons used as targets by shooting clubs; some cases have been caused by consumption of other bituminous substances, such as road tar and tar paper. Synonym: clay pigeon poisoning. (05 Mar 2000) |