alkena

== Indonesian == === Noun === alkena (chemistry) alkene === See also === alkana alkuna === Further reading === “alkena”, 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 == Norwegian Bokmål == === Alternative forms === alkenene === Noun === alkena n definite plural of alken == Norwegian Nynorsk == === Noun === alkena n definite plural of alken