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Results found in several dictionaries: Collins, Collaborative Dictionary
normalización   sf 
1  [+de relaciones, servicio, situación] normalization 
la normalización del uso del catalán en las escuelas  the standardization of Catalan in the schools 
 normalización lingüística   policy of making the local language official within an autonomous region policy of making the local language official within an autonomous region 
2  (Com, Téc) standardization

Collaborative Dictionary     Spanish-English
'normalización lingüística' found in translations in English-Spanish dictionary
language technology n. la tecnología lingüística Reverso General Dictionary 
speech community n. la comunidad lingüística Reverso General Dictionary 

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