Pronunciation: nä- ' näk-si- ˌ no ̇ l- ' n ī n, n ə -, - ˌ n ō l-
Function: noun
Etymology: non yl (the radical C 9 H 19 ) + oxy- + phe nol + 9 (fr. the fact that the compounds it contains have an average of nine ethylene oxide groups per molecule)
Date: 1980
: a spermicide used in contraceptive products