- baroness emmusca orczy
- bull session
- bastioned
- bastion
- blowtube
- bull thistle
- board of regents
- board of editors
- board like rigidity
- background region
- bear down
- brill
- boon
- borough
- behindhand
- behind time
- bunsen
- bunsen absorption co_efficient
- bunsen solubility co_efficient
- bottom feeder
- bottom fish
- bottom round
- bottom light
- brown study
- briny
- body of the sternum
- broth of a man
- bayesian
- bread mold
- beaverbrook
- bacteraemia
- baron karl wilhelm von humboldt
- bacterial embolism
- bacteriaceae
- bacteroides funduliformis
- bacterial aortitis
- bacteriotoxin
- bacterial air filter
- bacterial antagonism
- bacterial cell
- bacterial antigen
- bacterial system
- bacterial variation
- bacterial peritonitis
- bacteriological stain
- bacteriological incubator
- bacteriological product
- bacteriological purity test
- bacteriological filtration
- biological clock