"voicing" in the noun sense
1. voicing
the act of adjusting an organ pipe (or wind instrument) so that it conforms to the standards of tone and pitch and color
"voicing" in the verb sense
1. voice
give voice to
"He voiced his concern"
2. voice, sound, vocalize, vocalise
utter with vibrating vocal chords
Source: WordNet® (An amazing lexical database of English)
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