word-by-word since any text will be split into words anyway. And all EU languages into English only
in reply to Re^2: Language translator and dictionaries
in thread Language translator and dictionaries
Well, then you should probably start building your multilingual dictionary. I don't think Google Translate would be too happy about you making thousands of automated single-word queries.
Other EU term lists: http://ec.europa.eu/eurostat/ramon/nomenclatures/index.cfm?TargetUrl=LST_NOM&StrGroupCode=CLASSIFIC&StrLanguageCode=EN
Add whatever you can extract from Wikipedia and Wiktionary dumps and you should be set.