| E | the 5th letter of the Roman alphabet |
|---|---|
| E | the cardinal compass point that is at 90 degrees |
| E | a radioactive transuranic element produced by bombarding plutonium with neutrons |
| E | a fat-soluble vitamin that is essential for normal reproduction |
| E | the base of the natural system of logarithms |
| E | a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length |
| E | a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length |
| E | even |
| E | at all times |
| E | (computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that is generated at the recipient's terminal when he logs in |
| E | communicate electronically on the computer |
| E | an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus |