অর্থ : From 310 million to 280 million years ago. Warm climate. Swampy land.
সমার্থক : pennsylvanian period, upper carboniferous, upper carboniferous period
অর্থ : A native or resident of Pennsylvania.
সমার্থক : keystone stater
Pennsylvanian ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Pennsylvanian ka matlab kya hota hai?