CEN

main, principal; in or of the center

CEN may be:Centre d'Etude Nucléaire (CEN in French)Creative Environmental NetworksEuropean Committee for Standardization (Comité Européen de Normalisation in French)Ciudad Obregón International Airport (IATA code: CEN)Centralia, Illinois (Amtrak station), United States; Amtrak station code CENSCK•CEN: The Belgian nuclear research institute (Centre d'Étude de l'énergie Nucléaire)
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CEN can stand for:Cen - the constellation CentaurusCen, or sen, is the currency of the fictional nation of Amestris of the anime/manga "Fullmetal Alchemist"CEN - the European Committee for Standardization (Comitée Européen de Normalisation)
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n. peekaboo

Conseil Europen pour la Normalisation.
A body coordinating standardisation activities in the EEC and EFTA countries.
(1994-12-14)

Comité Europeéen de Normalisation (European Committee for Standardization, Europäisches Komitee für Normung)