ran·cid
adjective/ˈrænsɪd/
/ˈrænsɪd/
- if food containing fat is rancid, it tastes or smells unpleasant because it is no longer fresh
（含油食品）变质的，变味的，哈喇的 - rancid butter
变质黄油 - Butter soon goes/turns (= becomes) rancid in this heat.
气温这么高，黄油很快就会变质。 - There was a rancid smell coming from the kitchen.
厨房里传来一股腐臭味。
Oxford Collocations DictionaryRancid is used with these nouns:- butter
- meat
- oil
- …
Word Originearly 17th cent.: from Latin rancidus ‘stinking’. - rancid butter