| 单词 | variability |
| 释义 | variability (once / 4476 pages) n The weather in San Francisco is known for its variability. One minute it's summer and the next, winter. Variability means the tendency to shift or change — of being "variable." There are many words that contain vari-, and they almost all have to do with change or difference. Variability is the noun version of this idea. The variability of the weather means that you never know exactly what to wear. T-shirt or sweater: the choices vary along with the weather. Many things are known for their variability: the taste of teenagers, the talent of the singers on "American Idol," Frank Sinatra's moods. These are just some of the things that exhibit real variability. WORD FAMILYvariability: variabilities+/invariable: invariability, invariableness, invariables, invariably/invariant: invariance, invariants/unvaried: unvariedly, unvariedness/unvarying: unvaryingly/variable: invariable, variability, variableness, variables, variably/variance: variances/variant: invariant, variance, variantly, variants/variate: bivariate, multivariate, variates/variation: covariation, variations/varied: unvaried, variedly, variedness/vary: co-vary, variable, variant, variate, variation, varied, varies, varying/varying: unvarying, varyingly USAGE EXAMPLES“If you look at H.I.V. sequences, there’s enormous variability between one strain and the next,” he said. The New Yorker(Aug 15, 2016) And the virus, because of its variability, is an extremely resilient target. Washington Post(Nov 25, 2016) Consider, for example, the variability in recent years of winter’s demand on that stockpile. Wall Street Journal(Nov 21, 2016) 1n the quality of being subject to variation Syn|Ant|Hypo|Hyper variableness, variance invariability, invariableness, invariance the quality of being resistant to variation variedness characterized by variation variegationvariability in coloration personal equationvariability attributable to individual differences changeability, changeableness the quality of being changeable; having a marked tendency to change 2n the quality of being uneven and lacking uniformity Syn|Ant|Hypo|Hyper unevenness evenness, invariability a quality of uniformity and lack of variation rockiness the quality of abounding in rocks and stones ruggednessthe quality of being topologically uneven jaggednesssomething irregular like a bump or crack in a smooth surface patchinessunevenness in quality or performance wavinessunevenness produced by waves or wrinkles hillinessthe quality of being hilly irregularity, unregularity not characterized by a fixed principle or rate; at irregular intervals |
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