From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
Doctor of Science /dˈɒktəɹ ɒv sˈaɪəns/ (DSc /dˌiːˌɛssˈiː/, ) (ScD /ˌɛssˈiː dˈiː/)
Doktor der Naturwissenschaften [Dt.] [rare] Dr. rer. nat., /dˈɒktə ɹə nˈat/ Dr phil. nat., /dˈɒktə fˈɪl nˈat/
Synonym: PhD in the sciences
see: doctor, doc, doctors, docs, Doctor of Laws, Doctor of Jurisprudence, legum doctor, Doctor of Medicine, medicinae doctor, Doctor of Philosophy, Doctor of Divinity, Doctor of Dental Surgery, Doctor of Letters, Doctor of Civil Law