abu dasar

== Indonesian == === Etymology === Compound of abu (“ash”) +‎ dasar. === Noun === abu dasar (plural abu-abu dasar) bottom ash (the non-combustible residue of combustion in a power plant, boiler, furnace, or incinerator) Synonym: abu berat === Further reading === “abu dasar”, 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