noun
: a carbon black made by thermal decomposition of hydrocarbons (as natural gas and acetylene) in preheated furnaces — called also furnace thermal black ; compare acetylene black
noun
: a carbon black made by thermal decomposition of hydrocarbons (as natural gas and acetylene) in preheated furnaces — called also furnace thermal black ; compare acetylene black
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012