柯林斯詞典ammonium hydroxide 1. N a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH 氫氧化銨 (Also called technicalterm: aqueous ammonia) 返回 ammonium hydroxide劍橋詞典a chemical consisting of water and ammonia , used as a bleach and a strong cleaning solution 氫氧化銨（用作漂白清潔劑） 返回 ammonium hydroxide