(organic chemistry) A bicyclic heterocycle consisting of a benzene ring fused to that of thiopyran
benzoxyphenanthrene
brachycephalization
brachycephalization
noun
Modification to a brachycephalic form
breathalyzer
breathalyzer
noun
A device that measures alcohol in expired air so as to estimate the concentration of alcohol in a person's blood; used by traffic police in cases of suspected driving while under the influence of alcohol.
