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hydromorphone

noun hy·dro·mor·phone \ -ˈmȯr-ˌfōn \

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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