"ˌ noun
Etymology: bi- (II) + solid (III)
: solid organic matter recovered from a sewage treatment process and used especially as fertilizer — usually used in plural
"ˌ noun
Etymology: bi- (II) + solid (III)
: solid organic matter recovered from a sewage treatment process and used especially as fertilizer — usually used in plural
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012