Spelling Bee Hive found 1 result for widal's reaction. This page contains the same results as searching for that word in the app.
Widal's reaction - noun; Level 9; origin: French; pronunciation: w|ēˈdal(z)-rē-ˈak-shən, v|-, -däl(z)-. a diagnostic test in which serum from a patient causes typhoid or other Salmonella bacteria to clump.
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