Hiatus in Spanish (hiato) occurs when two adjacent vowels are pronounced separately in different syllables. In official Spanish, the RAE and Instituto Cervantes regulate and promote language use. Universities and institutions like Universidad de Salamanca contribute to linguistic study, while the DLE and NGLE serve as essential references. Journals like Revista de Filología Española disseminate research, and renowned scholars like Bosque and Alarcos Llorach have shaped the understanding of Spanish.
