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IU

American  
  1. immunizing unit.

  2. Also I.U. international unit.


IU British  

abbreviation

  1. immunizing unit

  2. international unit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Participants were randomly assigned to take either 2,000 IU of vitamin D daily or a placebo.

From Science Daily

The 2,000 IU used in the Augusta study is much higher than the recommended daily intake of 600 IU for adults under 70 and 800 IU for older adults.

From Science Daily

Other studies have suggested that even 400 IU per day may help prevent common infections such as colds.

From Science Daily

Because what on earth is going on at IU?

From The Wall Street Journal

“The IU football team, it’s a real team,” Hoosier quarterback Fernando Mendoza said after flattening the Niketown Waterfowl.

From The Wall Street Journal