单词 | cholesterol |
释义 | Word Frequency cholesterol(kəˈlɛstəˌrɒl) noun a sterol found in all animal tissues, blood, bile, and animal fats: a precursor of other body steroids. A high level of cholesterol in the blood is implicated in some cases of atherosclerosis, leading to heart disease. Formula:C27H45OH Former name: cholesterin (kəˈlɛstərɪn)Word origin C19: from chole- + Greek stereos hard, solid, so called because first observed in gallstones |
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