Explains how terms develop and their semantic and formal contexts in contrast with their use. Examples presented range from chemistry to terminology used by fiction writers. Entries indicate accent marks and pronunciation. Grammatical points and the definitions of words are included. The research on the historical repertoire is based on the Dictionary of the Cruscan Academy, the work of Tommaseo and Bellini and S. Battaglia.
Parentheses indicate graphological variations.
Then, the main meaning is indicated, also the devivation and composition of the word. The near and remote etymology of the voices may express relevance for the researcher. Finally, it indicates bibliographical sources at the end of each word. Dizionario d'ortografia e di pronunzia . Radiotelevisione italiana, 1969.