sel udara

== Indonesian == === Etymology === Compound of sel (“cell”) +‎ udara (“air”). === Noun === sel udara (plural sel-sel udara) (zoology) air cell an air space that forms between the inner and outer membranes at the larger end of the egg === Further reading === “sel udara”, 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