Pharmacology. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.
a habit-forming medicinal or illicit substance, especially a narcotic.
Obsolete. any ingredient used in chemistry, pharmacy, dyeing, or the like.
(USED WITH OBJECT) [DRUGGED, DRUG·GING.]
to administer a medicinal drug to.
to stupefy or poison with a drug.
In English, the noun "drug" is thought to originate from Old French "drogue",
possibly deriving later into "droge-vate" from Middle Dutch meaning "dry barrels"...
1 a obsolete : a substance used in dyeing or chemical operations b : a substance
used as a medication or in the preparation of medication c according to the ...
Pharmacology. a chemical substance used in the treatment, cure, prevention, or
diagnosis of disease or used to otherwise enhance physical or mental ...
Learn the meaning of words and phrases related to the use of medications. Be able to understand some of the jargon your healthcare providers use when talking about medications.
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a. A substance used in the diagnosis, treatment, or prevention of a disease or as
a component of a medication. b. Such a substance as recognized or defined by ...
Therapeutic agent; any substance, other than food, used in the prevention,
diagnosis, alleviation, treatment, or cure of disease. For types or classifications of
drug definition, meaning, what is drug: any natural or artificially made chemical
that is used as a medicine: . Learn more.
Definition of drug: Natural or synthetic substance which (when taken into a living
body) affects its functioning or structure, and is used in the diagnosis, mitigation, ...
1A medicine or other substance which has a physiological effect when ingested
or otherwise introduced into the body: a new drug aimed at sufferers from ...