Medical Definition of viscosity
1: the quality of being viscous; especially : the property of resistance to flow in a fluid or semifluid
2: the ratio of the tangential frictional force per unit area to the velocity gradient perpendicular to the direction of flow of a liquid—called also coefficient of viscosity
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Dictionary: Definition of "viscosity" Thesaurus: All synonyms and antonyms for "viscosity" Spanish Central: Translation of "viscosity" Nglish: Translation of "viscosity" for Spanish speakers Britannica English: Translation of "viscosity" for Arabic speakers Britannica.com: Encyclopedia article about "viscosity"
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