Hmm. C. just pointed out the new Latin dictionary from the Vatican, mentioned today by the BBC. It's named the Lexicon Recentis Latinitatis. The new formations to describe modern things cited by the BBC imply that the dictionary uses long and complicated accretions and phrases formed from existing Latin vocabulary, not neologisms. Thus, any way you use this dictionary, you'll come out sounding somewhat long-winded. That's my initial verdict, anyways, not having seen the thing.