noun
acid chloride
Technical term in organic chemistry for a compound derived from a carboxylic acid by replacing the hydroxyl group with a chlorine atom.
酸塩化物は有機合成でよく使われる試薬です。
Acid chlorides are reagents often used in organic synthesis.
Compound of 酸 (さん, 'acid') + 塩化物 (えんかぶつ, 'chloride').