EA
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Ea can signify several things.
- Electronic Arts, EA, the video/computer games company.
- Eastern Airlines, a defunct US domestic airline.
- Eastern Airways, a UK domestic airline.
- Eä, the World that IS of J.R.R. Tolkien's Middle-earth universe.
- Ea, the Babylonian water deity
- Éa, of Ursula K. LeGuin's Earthsea fictional universe.
- EA was the IATA alpha code designator for Eastern Airlines
- Electrophilic addition in Organic chemistry
- Evolutionary algorithm, an optimization algorithm
- The cab-equipped lead unit of an EMD EA/EB diesel locomotive
- EA is already for customs purposes to represent Ceuta and Melilla.
- EA WIPO Standard ST.3 uses EA to code the Eurasian Patent Organization, although ISO 3166 MA proposed in 1995 that EV be used by WIPO
- Eusko Alkartasuna, Spanish regional political party.