widal test widal's test • widbin · · · Info · Definitions · Characters · · widal test · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a test for detecting typhoid fever and other salmonella infections. Synonyms: Widal test, Widal's test. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077