Wordnet 3.0
NOUN (1)
1.
a series of waves in the hair made by applying heat and chemicals;
[syn: permanent wave, permanent, perm]
The Collaborative International Dictionary of English v.0.48:
permanent wave \permanent wave\ n.
1. A wave or curl in the hair that lasts for months and is
made durable by treating the hair with chemicals when it
is curled.
Syn: permanent.
[PJC]
2. The process of treating the hair with chemicals to create
a permanent wave[1].
[PJC]
WordNet (r) 3.0 (2006):
permanent wave
n 1: a series of waves in the hair made by applying heat and
chemicals [syn: permanent wave, permanent, perm]