অর্থ : A single undivided natural thing occurring in the composition of something else.
							উদাহরণ : 
							Units of nucleic acids.
							
সমার্থক : unit
অর্থ : A block of material used in construction work.
Building block ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Building block ka matlab kya hota hai?