Obmutescence n. : A becoming dumb; loss of speech.Obmutescence n. : A keeping silent or mute.Example:Taxonomykeeping silent, Dictionary, mu, cence, mute, Unanswered questions, Obscure Words, Webster 1913, Literature & Language, mutus, loss, speech, Browne, Paley, Search, Tutor, Patrick J. Cassidy, eSpindle.Defination from the web:
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