international unit

in·ter·na·tion·al u·nit

I i

Definitions of international unit words

noun international unit 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. 1
noun international unit the particular quantity of such a substance, which causes a specific biological effect. Abbreviation: IU. 1
noun international unit A particular, minute unit of mass, defined differently for different substances, but so that varying substances of the same general type have the property that one international unit of the one has the same effect on the human body as one international unit of the other. 0

before 1920

One of the 12% newest English words

First recorded in 1920-25

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 2% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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