| backstress | A female baker. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| backup electricity, backup services | Power or services needed occasionally; for example, when on-site generation equipment fails. (05 Dec 1998) |
| backup rate | A utility charge for providing occasional electricity service to replace on-site generation. (05 Dec 1998) |
| backward curvature | Curvature in which a more distal or cephalad part is deviated posteriorly with respect to the coronal anatomic plane. (05 Mar 2000) |
| backward heart failure | A concept (formerly considered mutually exclusive of forward heart failure) that maintains that the phenomena of congestive heart failure result from passive engorgement of the veins caused by a "backward" rise in pressure proximal to the failing cardiac chambers. Compare: forward heart failure. (05 Mar 2000) |
| backwash | To clean the oil from (wood) after combing. Source: Websters Dictionary (01 Mar 1998) |
| backwash ileitis | Involvement of the terminal ileum by the inflammatory and ulcerative changes seen in chronic ulcerative colitis; distinguished from involvement of ileum and proximal colon by regional (granulomatous) enteritis (e.g., Crohn's disease of terminal ileum and proximal colon). (05 Mar 2000) |
| backwoods | The forests or partly cleared grounds on the frontiers. Origin: Back, a. + woods. Source: Websters Dictionary (01 Mar 1998) |
| backwoodsman | A men living in the forest in or beyond the new settlements, especially on the western frontiers of the older portions of the United States. Source: Websters Dictionary (01 Mar 1998) |
| backworm | A disease of hawks. See Filanders. Origin: 2d back,+ worm. Source: Websters Dictionary (01 Mar 1998) |
| baclofen | <chemical> A gaba derivative that is a specific agonist at gaba-b receptors (receptors, gaba-b). It is used in the treatment of spasticity, especially that due to spinal cord damage. Its therapeutic effects result from actions at spinal and supraspinal sites, generally the reduction of excitatory transmission. Pharmacological action: gaba agonists, muscle relaxants, central. Chemical name: Benzenepropanoic acid, beta-(aminomethyl)-4-chloro- (12 Dec 1998) |
| bacon | The back and sides of a pig salted and smoked; formerly, the flesh of a pig salted or fresh. <zoology> Bacon beetle, a beetle (Dermestes lardarius) which, especially in the larval state, feeds upon bacon, woolens, furs, etc. See Dermestes. To save one's bacon, to save one's self or property from harm or less. Origin: OF. Bacon, fr. OHG. Bacho, bahho, flitch of bacon, ham; akin to E. Back. Cf. Back the back side. Source: Websters Dictionary (01 Mar 1998) |
| Bacon's anoscope | An instrument resembling a rectal speculum, with a long slit on one side and an electric light opposite. (05 Mar 2000) |
| bactenecin | <protein> Highly cationic polypeptides found in lysosomal granules of bovine neutrophil granulocytes. They are thought to be involved in bacterial killing and occur in a third class of granules, the large granules, not found in the neutrophils of most species. (18 Nov 1997) |
| bacteraemia | <microbiology> The presence of viable bacteria circulating in the bloodstream. Origin: Gr. Bakterion, haima = blood (11 Jan 1998) |