• synonyms


  1. A narcotic drug derived from morphine and used in the form of its hydrochloride as an analgesic.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for metopon

Historical Examples

  • This is a difficulty which seems to compel the assumption that the metopon was in part of lighter material.

    Problems in Periclean Buildings

    G. W. Elderkin

  • The distance which the metopon projected into the building is not certainly known.