Sentence:  After pointing out the basic principles of <WSD>neonymy</WSD>, the principal methods of neonymic formation of chemical terms are cited and illustrated by examples taken from recent nomenclature recommendations issued by the International Union of Biochemistry (IUB), the World Health Organization (WHO), the International Standards Organization (ISO), and other international organizations. 
Meaning of the word marked with <WSD> tags:  The coining of new terms.