noun
Usage: usually capitalized H
: a crystalline acid H 2 NC 10 H 4 (OH)(SO 3 H) 2 made from napthalene and used as a dye intermediate; 8-amino-1-naphthol-3,6-disulfonic acid
noun
Usage: usually capitalized H
: a crystalline acid H 2 NC 10 H 4 (OH)(SO 3 H) 2 made from napthalene and used as a dye intermediate; 8-amino-1-naphthol-3,6-disulfonic acid
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012