![](/rp/kFAqShRrnkQMbH6NYLBYoJ3lq9s.png)
Drug Definition & Meaning - Merriam-Webster
The meaning of DRUG is a substance used as a medication or in the preparation of medication. How to use drug in a sentence.
Drug - Wikipedia
A drug is any chemical substance other than a nutrient or an essential dietary ingredient, which, when administered to a living organism, produces a biological effect. [1] Consumption of drugs can be via inhalation, injection, smoking, ingestion, absorption via a patch on the skin, suppository, or dissolution under the tongue.
Drug | definition of drug by Medical dictionary
Therapeutic agent; any substance, other than food, used in the prevention, diagnosis, alleviation, treatment, or cure of disease. For types or classifications of drugs, see the specific name. See also: agent. 2. To administer or take a drug, usually implying an overly large quantity or …
DRUG | definition in the Cambridge English Dictionary
DRUG meaning: 1. any natural or artificially made chemical that is used as a medicine: 2. any natural or…. Learn more.
DRUG | English meaning - Cambridge Dictionary
DRUG definition: 1. any natural or artificially made chemical that is used as a medicine: 2. any natural or…. Learn more.
Drug | Definition, Types, Interactions, Abuse, & Facts | Britannica
Jan 6, 2025 · drug, any chemical substance that affects the functioning of living things and the organisms (such as bacteria, fungi, and viruses) that infect them. Pharmacology, the science of drugs, deals with all aspects of drugs in medicine, including their mechanism of action, physical and chemical properties, metabolism, therapeutics, and
Drug - definition of drug by The Free Dictionary
1. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or to otherwise enhance physical or mental well-being. a. any substance listed in any of the recognized pharmacopoeias. b. any substance intended for use in the treatment or prevention of disease.
DRUG definition and meaning | Collins English Dictionary
A drug is a chemical substance given to people to treat or prevent an illness or disease. The drug is useful to hundreds of thousands of people.
Definition of drug - NCI Dictionary of Cancer Terms
Any substance (other than food) that is used to prevent, diagnose, treat, or relieve symptoms of a disease or abnormal condition. Drugs can also affect how the brain and the rest of the body work and cause changes in mood, awareness, thoughts, feelings, or behavior.
DRUG definition in American English - Collins Online Dictionary
A drug is a chemical substance given to people to treat or prevent an illness or disease. The drug is useful to hundreds of thousands of people.
- Some results have been removed