| 词条 | radical |
| 释义 | radical adj. 根本的, 基本的, 激进的n. 激进分子 英英解释: 名词radical: 1. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule 同义词：group, chemical group 2. an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule 同义词：free radical 3. a person who has radical ideas or opinions 4. a character conveying the lexical meaning of a logogram 5. a sign placed in front of an expression to denote that a root is to be extracted 同义词：radical sign 6. (linguistics) the form of a word after all affixes are removed 同义词：root, root word, base, stem, theme 形容词radical: 1. (used of opinions and actions) far beyond the norm 同义词：extremist, ultra 2. markedly new or introducing radical change 同义词：revolutionary 3. arising from or going to the root 4. of or relating to or constituting a linguistic root 5. especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem 同义词：basal |
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