Em

Em

1. (metrology) Symbol for the exameter (exametre), an SI unit of length equal to 10¹⁸ meters (metres).
2. (chemical symbol, dated) emanation
3. (music) Symbol for E minor.

Em

1. A diminutive of the female given names Emily and Emma.
   • 1900 Lyman Frank Baum, The Wonderful Wizard of Oz, Chapter 24:

     And oh, Aunt Em! I'm so glad to be at home again!

   • 2008 Anne Enright, Yesterday's Weather, Vintage (2009), ISBN 9780099520993, page 4:

     Mind you, he never calls me anything back. Isn't that the way of it? What do men call their wives. 'Em...' Like every woman in the planet was christened Emily. 'Em...is that shirt clean?'

2. Short for Eminem.

• -me-, M&E, ME, Me, Me., me

• IPA^(key): /ˈɛm/

Em

1. genitive plural of Ema