Boston opium

Bos·ton o·pi·um

opium so diluted after importation as barely to meet the official requirements.
Synonym(s): pudding opium
Farlex Partner Medical Dictionary © Farlex 2012

Boston’s opium

A highly diluted form of opium, formerly used in clinical pharmacology, formulated by American physician Leonard Napoleon Boston (1871–1931).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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