থ’ৰিয়ামদ
থ’ৰিয়াম ডাইঅক্সাইড (Assamese)
1. Thoria is a genus of shield bugs in the tribe Podopini. == References == from wikipedia.org Thorium dioxide (ThO2), also called thorium(IV) oxide, is a crystalline solid, often white or yellow in colour. Also known as thoria, it is mainly a by-product of lanthanide and uranium production. Thorianite... from wikipedia.org