new drug

noun
Updated on: 16 Nov 2017

Definition of new drug

: a drug that has not been declared safe and effective by qualified experts under the conditions prescribed, recommended, or suggested in the label and that may be a new chemical formula or an established drug prescribed for use in a new way

Recent Examples of new drug from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'new drug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of new drug

circa 1951


Medical Dictionary

new drug

noun

medical Definition of new drug

: a drug that has not been declared safe and effective by qualified experts under the conditions prescribed, recommended, or suggested in the label and that may be a new chemical formula or an established drug prescribed for use in a new way

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