hydromorphone

noun

hy·dro·mor·phone | \ -ˈmȯr-ˌfōn

How to pronounce hydromorphone (audio)

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Medical Definition of hydromorphone

: a ketone C₁₇H₁₉NO₃ derived from morphine that is about five times as active biologically as morphine and is administered in the form of its hydrochloride C₁₇H₁₉NO₃·HCl as an analgesic

— called also dihydromorphinone

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