This second part of the full textbook "The Beginnings of Modern Natural Science" aims to give students as a humanitarian Natural Sciences and Engineering , explanation (interpretation) of the most common in modern scientific vocabulary , First of all, in the field of natural science ,. History and Philosophy of Science , Scientific Concepts , Categories, Terms and Conditions . Thesaurus, but essentially, a sensible dictionary of modern natural science, intended for growing Russian intellectuals, serves as a necessary addition to the theoretical and conceptual (first) part of the manual. The proposed thesaurus includes about 1500 words. Designed for students of humanities and socio-economic specialties of universities . The manual can be useful to teachers of the discipline "Concepts of modern natural science" and a wide range of persons of other specialties and professions interested in the problems and state of science and philosophy of science of modern times, their terminology.