The Collaborative International Dictionary of English v.0.48:
Denouncement \De*nounce"ment\, n. [Cf. OF. denoncement.] Solemn, official, or menacing announcement; denunciation. [Archaic] [1913 Webster] False is the reply of Cain, upon the denouncement of his curse. --Sir T. Browne. [1913 Webster]WordNet (r) 3.0 (2006):
denouncement n 1: a public act of denouncing [syn: denunciation, denouncement]