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Pronunciation: o-fi'shal

Definition: Authoritative; denoting a drug or a chemical or pharmaceutical preparation recognized as standard in the pharmacopeia.

[L. officialis, fr. officium, a favor, service, fr. opus, work, + facio, to do]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.