international unit


Definition of international unit

: a quantity of a biologically active substance (such as a vitamin) that produces a particular biological effect agreed upon as an international standard

Examples of international unit in a Sentence

Recent Examples on the Web

Dietary guidelines suggest most adults get at least 600 international units (IU) of vitamin D a day. NBC News, "Vitamin D may lower colon cancer risk, especially in women, study finds," 14 June 2018 Last year, revenue inched up 1.7% in the international unit after two years of large drops. Phil Wahba, Fortune, "Walmart Selling Majority Stake of Brazil Business in Latest International Shakeup," 5 June 2018 Running the international unit has served as a stepping stone to the top job: Chief Executive Officer Doug McMillon and his predecessor Mike Duke both once held the role. Matthew Boyle,, "Wal-Mart Makes Judith McKenna Its International Chief," 16 Jan. 2018 The recommended daily intake of vitamin D for most adults is 600 international units, or 800 IU after age 70. NBC News, "Older adults may not need vitamin D to prevent falls, fractures," 17 Apr. 2018 The chain attempted to reorganize and sell its remaining international units. Fortune, "Toys 'R' Us Founder Charles Lazarus Dies at 94," 22 Mar. 2018 Lender earned a record $571 million from international unitNet income rises 16% as bank raises quarterly divided 3.8% Bank of Nova Scotia’s focus on international banking is paying off., "Scotiabank Looks Abroad for Growth as Profit Tops Estimates," 27 Feb. 2018 In 2010, the Institute of Medicine released recommendations on vitamin D supplements calling for a daily intake of 600 international units for all ages up to 70, and 800 units from age 71 on. Suparit Ukarapong, M.d., miamiherald, "Taking a vitamin D supplement: How much is enough? | Miami Herald," 2 Mar. 2018 For some, a vitamin D supplement may help them get to the current recommended daily intakes of 600 IU (international units) per day for adults up to age 70 and 800 IU per day for those older. Beth Mole, Ars Technica, "Supplements are a $30 billion racket—here’s what experts actually recommend," 20 Feb. 2018

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

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First Known Use of international unit

1921, in the meaning defined above

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The first known use of international unit was in 1921

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international unit


Medical Definition of international unit

: the amount of specific physiological activity of a standardized preparation (as of a vitamin) that is agreed upon as an international standard especially for comparison with other biologicals containing the substance in impure form or with a related biologically active substance also : the amount of the biologically active substance in the standard amount of the preparation producing this activity

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a servile follower or underling

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