also: サーン
CERN; European Organization for Nuclear Research
The European particle-physics laboratory; always used as a proper noun.
CERN is located on the border between Switzerland and France.
A new elementary particle was discovered at CERN.
Alternate katakana rendering, less common than セルン.
Acronym from French 'Conseil Européen pour la Recherche Nucléaire' (European Council for Nuclear Research).