diengdiet diesel (English) [ IPA: ˈdiːzəl ASM: ডিজেল]Contributed by: Bikram M Baruah on 2008-06-06 1. (Material Noun-Neuter) a fuel extracted by refining crude oil and used for runing various heavy machineray including trucks, rail-engine etc. English: diesel, Assamese: ডিজেল