lancefield grouping
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lancefield group — n(t)ˌsfēld noun also lancefield s group or lancefield grouping Usage: usually capitalized L Etymology: after Rebecca Lancefield b1895 American bacteriologist : one of the serologically distinguishable groups (as group A, group B … Useful english dictionary
streptococcus — streptococcal /strep teuh kok euhl/, streptococcic /strep teuh kok sik/, adj. /strep teuh kok euhs/, n., pl. streptococci / kok suy, see/. Bacteriol. any of several spherical or oval bacteria of the genus Streptococcus, occurring in pairs or… … Universalium
