| 单词 | radical |
| 释义 | Word Frequency radical(ˈrædɪkəl) adjective 1. of, relating to, or characteristic of the basic or inherent constitution of a person or thing; fundamental a radical fault 2. concerned with or tending to concentrate on fundamental aspects of a matter; searching or thoroughgoing radical thought a radical re-examination 3. favouring or tending to produce extreme or fundamental changes in political, economic, or social conditions, institutions, habits of mind, etc a radical party 4. medicine (of treatment) aimed at removing the source of a disease radical surgery 5. slang, mainly US very good; excellent 6. of, relating to, or arising from the root or the base of the stem of a plant radical leaves 7. mathematics of, relating to, or containing roots of numbers or quantities 8. linguistics of or relating to the root of a word noun 9. a person who favours extreme or fundamental change in existing institutions or inpolitical, social, or economic conditions 10. mathematics a root of a number or quantity, such as3√5, √ x 11. Also: radicle chemistry a. short for free radical b. another name for group (sense 10) 12. linguistics another word for root1 (sense 9) 13. (in logographic writing systems such as that used for Chinese) a part of a character conveying lexical meaning Derived forms radicalness (ˈradicalness) noun Word origin C14: from Late Latin rādīcālis having roots, from Latin rādix a root |
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