| 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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| neo- | <prefix> A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; contrasted with normal and iso-; as, neopentane; the neoparaffins. Also used adjectively. Origin: Gr. Youthful, new. (29 Oct 1998) |
| neo-latin | Applied to the Romance languages, as being mostly of Latin origin. Origin: Neo- + Latin. Source: Websters Dictionary (01 Mar 1998) |