শিলাস্তৰ (Assamese) [ Roman: xi.las.tor]
    Contributed by: Dr. Neelotpal Deka, LL.M. (IT & IP Law, UK) on 2007-06-29
    1. Geology(Material Noun-Neuter) A layer of rock of same characteristics distinct from its surrounding rocks চাৰিওকাষৰ শিলৰ তুলনাত ভিন্ন গুণ-বিশিষ্ট শিলৰ এক স্তৰ
    English:
    bed stratum
    Assamese:
    শিলাস্তৰ
    Meeteilon:
    leiron