noun
Etymology: channel (iron)
: a fine carbon black obtained as soot by impingement of small natural-gas flames on a metal surface (as a channel iron) — called also gas black
noun
Etymology: channel (iron)
: a fine carbon black obtained as soot by impingement of small natural-gas flames on a metal surface (as a channel iron) — called also gas black
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012