<span>noun: aquatint</span><span>; plural noun: aquatints</span>1. a print resembling a watercolor, produced from a copper plate etched with nitric acid.the technique or process of producing aquatints. <span>verb: aquatint</span><span>; 3rd person present: aquatints</span><span>; past tense: aquatinted</span><span>; past participle: aquatinted</span><span>; gerund or present participle: aquatinting</span>1. <span>create (a print) using the aquatint process.</span>