batuan penyekat

== Indonesian == === Etymology === Compound of batuan (“rock”) +‎ penyekat (“seal”). === Pronunciation === IPA(key): /baˌtu.an pə.ɲəˈkat/, [baˌt̪u.an pə.ɲəˈkat̪̚] === Noun === batuan pênyêkat (plural batuan-batuan penyekat) (mining) seal: an impermeable layer of rock that prevents the movement of hydrocarbons, like oil and gas, around a reservoir === Further reading === “batuan penyekat”, 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