The Collaborative International Dictionary
Nunnation
Nunnation \Nun*na"tion\, n. [From nun, the Arabic name of the letter n: cf. NL. nunnatio, F. nunnation.] (Arabic Gram.) The pronunciation of n at the end of words.
Wiktionary
nunnation
n. 1 The addition of a final ''n''-sound to words in some Semitic languages 2 A speech disorder stammering, in which the āānāā sound is given to other consonants.