aq·ua·tint
noun/ˈækwətɪnt/
/ˈɑːkwətɪnt/
[uncountable, countable] (specialist)- a method of producing a picture using acid on a metal plate; a picture produced using this method
飞尘腐蚀法；飞尘腐蚀版画 Word Originlate 18th cent.: from French aquatinte, from Italian acqua tinta ‘coloured water’.