The Bengali synonym of Hydrosphere is Barimandal. The word ' hydro' means water and the word ' sphere' means sphere. We know there is water everywhere in the world. This huge body of water exists in different parts of the world in different states such as solid (ice) , gaseous (water vapor) and liquid. The atmosphere contains water as water vapor , the surface is liquid and solid, and the surface water is groundwater. So the atmosphere means the positional distribution of all the water bodies on earth.