Meaning : Becoming proficient in the use of something. Having mastery of.
Example :
His mastering the art of cooking took a long time.
Meaning : The act of making a master recording from which copies can be made.
Example :
He received a bill for mastering the concert and making 100 copies.
Mastering ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Mastering ka matlab kya hota hai?