The Collaborative International Dictionary of English v.0.48:
Waviness \Wav"i*ness\, n. The quality or state of being wavy. [1913 Webster]WordNet (r) 3.0 (2006):
waviness n 1: (of hair) a tendency to curl [syn: curliness, waviness] [ant: straightness] 2: unevenness produced by waves or wrinkles