| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
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| HSC | Hand-Schuller-Christian [syndrome]; Health and Safety Commission; health sciences center; health scr... |
| IDSAN | International Drug Safety Advisory Network |
| MSD | material safety data; mean square deviation; mild sickle cell disease; most significant digit; multi... |
| MSDS | material safety data sheet |
| seal | 1. To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to seal a deed. "And with my hand I seal my true heart's love." (Shak) 2. To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality; as, to seal weights and measures; to seal silverware. 3. To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter. 4. Hence, to shut close; to keep close; to make fast; to keep secure or secret. "Seal up your lips, and give no words but "mum"." (Shak) 5. To fix, as a piece of iron in a wall, with cement, plaster, or the like. 6. To close by means of a seal; as, to seal a drainpipe with water. See Seal. 7. Among the Mormons, to confirm or set apart as a second or additional wife. "If a man once married desires a second helpmate . . . She is sealed to him under the solemn sanction of the church." (H. Stansbury) Origin: OE. Selen; cf. OF. Seeler, seieler, F. Sceller, LL. Sigillare. See Seal a stamp. <zoology> Any aquatic carnivorous mammal of the families Phocidae and Otariidae. Seals inhabit seacoasts, and are found principally in the higher latitudes of both hemispheres. There are numerous species, bearing such popular names as sea lion, sea leopard, sea bear, or ursine seal, fur seal, and sea elephant. The bearded seal (Erignathus barbatus), the hooded seal (Cystophora crustata), and the ringed seal (Phoca foetida), are northern species. See also Eared seal, Harp seal, and Fur seal, under Eared, Harp, Monk, and Fur. Seals are much hunted for their skins and fur, and also for their oil, which in some species is very abundant. <zoology> Harbor seal, the common seal (Phoca vitulina). It inhabits both the North Atlantic and the North Pacific Ocean, and often ascends rivers. Synonym: marbled seal, native seal, river seal, bay seal, land seal, sea calf, sea cat, sea dog, dotard, ranger, selchie, tangfish. Origin: OE. Sele, AS. Seolh; akin to OHG. Selah, Dan. Sael, Sw. Sjal, Icel. Selr. Source: Websters Dictionary (01 Mar 1998) |
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| seal-fin deformity | Deflection outward of the fingers in rheumatoid arthritis. (05 Mar 2000) |
| seal fingers | An infection caused by erysipelothrix rhusiopathiae that is almost wholly restricted to persons who in their occupation handle infected fish, shellfish, poultry, or meat. Three forms of this condition exist: a mild localised form manifested by local swelling and redness of the skin; a diffuse form that might present with fever; and a rare systemic form associated with endocarditis. (12 Dec 1998) |
| national institute for occupational safety and health | An institute of the centres for disease control and prevention which is responsible for assuring safe and healthful working conditions and for developing standards of safety and health. Research activities are carried out pertinent to these goals. (12 Dec 1998) |
| occupational safety and health administration | One of the U.S. Agencies responsible for regulation of biotechnology. The major law under which the agency has regulatory powers is the Occupational Safety and Health act. (09 Oct 1997) |
| triangle of safety | The area at the lower left sternal border where the pericardium is not covered by lung (pericardial notch); preferred site for aspiration of pericardial fluid. (05 Mar 2000) |
| equipment safety | Freedom of equipment from actual or potential hazards. (12 Dec 1998) |
| united states occupational safety and health administration | An office in the department of labour responsible for developing and establishing occupational safety and health standards. (12 Dec 1998) |
| lady's seal | <botany> The European Solomon's seal (Polygonatum verticillatum). The black bryony (Tamus communis). Source: Websters Dictionary (01 Mar 1998) |