Look up: ei

1. EI
   abbreviation: Ireland (Island shared by Irish Republic and UK in NE Atlantic)
   Found on http://www.apscharts.com/abbrev.html
   
   
2. EI
   Electronic Iris. Electronic circuits in a camera that enable the camera shutter mode to be automatically controlled to vary the output video level, much as an auto iris in the lens would do. It enables manual iris lenses to be used where light levels vary.
   Found on http://www.zoo.co.uk/~z0001325/Glossary.
   
   
3. EI
   see exposure index
   Found on http://www.rodsmith.org.uk/photographic%
   
   
4. EI
   Electronic Ignition (includes Distributorless Ignition System, formerly DIS)
   Found on http://www3.sympatico.ca/dhaughey/j1930.
   
   
5. EI
   Epidural Injection
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
6. Ei
   (album) `Ei` (in English: No) is the third studio album by Finnish pop rock singer-songwriter Maija Vilkkumaa. Released by Warner Music in Finland on March 7, 2003, the album debuted at number one on publisher=Musiikkituottajat – IFPI Finland|language=Finnish|accessdat...
   Found on http://en.wikipedia.org/wiki/Ei
   
   
7. Ei
   (song) "`Ei`" () is a song by Finnish pop rock singer-songwriter Maija Vilkkumaa. Released by Warner Music Finland in 2003,<ref name="häviänrecordfono"/> it was the B-side to her lead single "Häviän" (I Vanish) from her third studio album
   Found on http://en.wikipedia.org/wiki/Ei