| 单词 | variance |
| 释义 | variance /vair"ee euhns/, n. 1. the state, quality, or fact of being variable, divergent, different, or anomalous. 2. an instance of varying; difference; discrepancy. 3. Also called mean square deviation. Statistics. the square of the standard deviation. 4. Physics , Chem. the number of degrees of freedom of a system. 5. Law. a. a difference or discrepancy, as between two statements or documents in law that should agree. b. a departure from the cause of action originally stated in the complaint. 6. an official permit to do something normally forbidden by regulations, esp. by building in a way or for a purpose normally forbidden by a zoning law or a building code. 7. a disagreement, dispute, or quarrel. 8. at variance, a. (of things) in a state of difference or disagreement. b. (of persons) in a state of controversy or dissension: at variance with one's superiors. [1300-50; ME < L variantia, equiv. to vari(are) to VARY) + -antia -ANCE] |
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