الواصلة
ef·fer·ves·cent pow·derالتركية النطق
efırvesınt paudırالنطق
/ˌefərˈvesənt ˈpoudər/ /ˌɛfɜrˈvɛsənt ˈpaʊdɜr/
علم أصول الكلمات
[ "e-f&r-'ves ] (intransitive verb.) 1784. Latin effervescere, from ex- + fervescere to begin to boil, inchoative of fervEre to boil; more at BREW.