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Meaning of phonation

pho•na•tion

Pronunciation: (fō-nā'shun), [key]
— n. Phonet.
  1. rapid, periodic opening and closing of the glottis through separation and apposition of the vocal cords that, accompanied by breath under lung pressure, constitutes a source of vocal sound.
  2. (not in technical use) voice; vocalization. Cf.(defs. 15, 16).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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