b
has definitions from the fields of biology,immunology,physics,acoustics,chemistry,nuclear physics
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[ noun ] (immunology) the blood group whose red cells carry the B antigen
Used in print (M. Yokoyama et al., "Chemical and serological...)Fahey and Morrison used a single , continuous gradient at constant pH for the fractionation of anti - A and anti - B agglutinins from preisolated g-globulin samples . Serum samples were obtained from normal group A , group B and group O donors . Anti - A and anti - B activities were determined in fractions from the sera of group A , group B or group O donors by the following tube agglutination methods . Anti - A and anti - B activities were determined in fractions from the sera of group A , group B or group O donors by the following tube agglutination methods . One drop of each sample was added to one drop of a 2 % suspension of group * * f or group B red_cells in a small * * f test_tube . Related terms |
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[ noun ] (biology) aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
Used in print (LeRoy Fothergill, "Biological Warfare", in Peter...)An aqueous suspension of the spores of B. subtilis , var. niger , generally known as Bacillus_globigii , was aerosolized using commercially available nozzles . Related terms eubacteria bacillus_globigii anthrax yersinia_pestis genus_Bacillus |
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[ noun ] (chemistry) a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
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[ noun ] originally thought to be a single vitamin but now separated into several B vitamins
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[ noun ] the 2nd letter of the Roman alphabet
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[ noun ] (atomic or nuclear physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
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[ noun ] (physics,acoustics) a logarithmic unit of sound intensity equal to 10 decibels
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