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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.

Our moms were college roommates at IU, and then they each got married about the same time and then they had us about the same time and we’ve barely spent any time apart since we entered the world.

From Literature

The preseason poll patted IU on the head with a No. 20 ranking.

From The Wall Street Journal

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