Nowadays the internist hears a good deal of a new kind of language which is likely to be all Greek to him but which his friends who are interested in chemistry or physics speak with fluent glibness. Thus a lexicon of such a new language is bound to be helpful to the casual listener: One can learn a good deal of any tongue by the diligent translation of new words or phrases into one's own vocabulary.
The editors of this dictionary have completed a task for which many members of the medical profession will be grateful. The editorial board is comprised chiefly of a group of distinguished biochemists who have added to their roster an occasional clinician. Between them they have been ingenious enough to complete a readable dictionary, defining in a readily understandable way many of the new words which they use so fluently in connection with their daily