| 单词 | critical |
| 释义 | critical adj. 1. a making or involving adverse or censorious comments or judgements. b expressing or involving criticism. 2. skilful at or engaged in criticism. 3. providing textual criticism (a critical edition of Milton). 4. a of or at a crisis; involving risk or suspense (in a critical condition; a critical operation). b decisive, crucial (of critical importance; at the critical moment). 5. a Math. & Physics marking transition from one state etc. to another (critical angle). b Physics (of a nuclear reactor) maintaining a self-sustaining chain reaction. Phrases and idioms critical apparatus = APPARATUS 4. critical mass Physics the amount of fissile material needed to maintain a nuclear chain reaction. critical path the sequence of stages determining the minimum time needed for an operation. critical temperature Chem. the temperature above which a gas cannot be liquefied. Derivatives criticality n. (in sense 5). critically adv. criticalness n. Etymology: L criticus: see CRITIC |
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