| 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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| junior homonym | <zoology> The later published of two or more identical but independently proposed names for the same or different taxa. See: Homonym. (09 Jan 1998) |
| junior synonym | <zoology> The later published of two or more different names applied to one and the same taxon. See: Synonym. (09 Jan 1998) |