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international-insulin-unit.
international unit
Americannoun
Pharmacology.
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an internationally agreed upon standard, as measured by bioassay, to which samples of a substance, as a drug or hormone, are compared to ascertain their relative potency.
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the particular quantity of such a substance, which causes a specific biological effect. IU
international unit
Scientific
Etymology
Origin of international unit
First recorded in 1920–25
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
