Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A synthetic derivative of morphine, C17H19NO3, used in the form of its hydrochloride as an analgesic that is more potent than morphine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A synthetic narcotic analgesic, (4,5 alpha-epoxy-3-hydroxy-17-methyl morphinan-6-one), similar to morphine and heroin. It is used for moderate to severe pain under the trade name Dilaudid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[hydroxy + morph(ine) + –one.]

Examples

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