epi

noun8

1. •
   epinephrine
2. •
   A syringe or autoinjector filled with epinephrine, most frequently used for the treatment of acute allergic reactions to avoid or treat the onset of anaphylactic shock.
3. •
   Abbreviation of episode.

   • You're so goated that even your lowest rated epi is an 8.1.
4. •
   (informal) Abbreviation of epidural.
5. •
   (informal) Abbreviation of episiotomy.
6. •
   (informal) Abbreviation of epithelial cell.
7. •
   Abbreviation of epimorphism.
8. •
   (informal) Abbreviation of epiphyllum.

noun2

1. •
   Initialism of echoplanar image/imaging.

   • Because the distortion is directly related to the local field offset, this provides the needed information to unwarp the EPI images […] — 2002
2. •
   Initialism of end per inch.

noun1

1. •
   (informal) An Epiphone guitar.

   • The reviews I read to day were just product brochures. I'd like to know how that $4,000 Gibby is different and better than a $1,200 Gibby and a $400 Epi. Teach me something! — 2006