| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |
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| prop | To support, or prevent from falling, by placing something under or against; as, to prop up a fence or an old building; to sustain; to maintain; as, to prop a declining state. "Till the bright mountains prop the incumbent sky." (Pope) "For being not propp'd by ancestry." (Shak) "I prop myself upon those few supports that are left me." (Pope) Origin: Akin to LG. & D. Proppen to cram, stuff, thrust into, stop, G. Pfropfen, Dan. Proppe, Sw. Proppa; of uncertain origin, cf. G. Pfropfen to graft, fr. L. Propago set, layer of a plant, slip, shoot. Cf. 3d. Prop, Propagate. Source: Websters Dictionary (01 Mar 1998) |
| dir prop | <abbreviation> L. Directione propria, with proper direction. (05 Mar 2000) |