নিষ্কাষণ (Assamese) [ Roman: nis.ka.xon]
    Contributed by: Rupankar Mahanta on 2007-05-04
    Ref: www.dictionary.com
    1. Chemistry(Abstract Noun-Neuter) Process to separate or obtain ingredient, etc. from a mixture by pressure, distillation, treatment with solvents, or the like.