Meaning of MASTERING

Pronunciation:			m'asturing
WordNet Dictionary
	Definition:		[n]  the act of making a master recording from which copies can be made; "he received a bill for mastering the concert and making 100 copies" [n]  becoming proficient in the use of something; having mastery of; "his mastering the art of cooking took a long time"
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	See Also:		education, recording, transcription