widal's test

English Thesaurus

1. a test for detecting typhoid fever and other salmonella infections (noun.cognition)

hypernym	:	agglutination test,
definition	:	a blood test used to identify unknown antigens; blood with the unknown antigen is mixed with a known antibody and whether or not agglutination occurs helps to identify the antigen; used in tissue matching and blood grouping and diagnosis of infections (noun.cognition)