quad·ra·phon·ic also quad·ri·phon·ic 
(kwŏd′rə-fŏnĭk)
(kwŏd′rə-fŏnĭk)adj.
Of or for a four-channel sound system in which speakers are positioned at all four corners of the listening space, reproducing signals that are independent of each other.
qua·drapho·ny (kwŏ-drăfə-nē) n.
- parasitical
- parasitically
- parasiticidal
- parasiticide
- parasitism
- parasitize
- parasitoid
- parasitologic
- parasitological
- parasitologist
- parasitology
- parasitosis
- parasol
- parasoled
- parasomnia
- parastatal
- parasympathetic
- parasympathetically
- parasympathetic nervous system
- parasympathomimetic
- parasynthesis
- parasynthetic
- paratactic
- paratactical
- paratactically