Aqueous. Chiefly as postpositive, denoting a substance which is in solution.
Late 19th century; earliest use found in Chemical News. Shortened from aqueous, as a graphic abbreviation.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。