abu gunung api

== Indonesian == === Etymology === Compound of abu (“ash”) +‎ gunung api (“volcano”). === Noun === abu gunung api (plural abu-abu gunung api) (volcanology) volcanic ash Synonyms: abu vulkanik, abu vulkanis === Further reading === “abu gunung api”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016