单词：probability 

名词

• 
  [1.n.probability] (同义词:[probability( n. 可能性, 或然性, 概率 )]  [chance( n. 机会, 可能性, 偶然性, 运气 v. 碰巧, 偶然发生, 冒...的险adj.偶然的 )]  )
• 
  注释列句：a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible; "the probability that an unbiased coin will fall with the head up is 0.5"
• 上位词 -> [measure( n. 尺寸, 量度器, 量度标准, 方法, 测量, 措施 vt. 测量, 测度, 估量, 分派, 权衡, 调节 vi. 量 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )] 
• 下位词 -> [conditional_probability(条件概率, 条件几率 )]  [cross_section(n.横截面 )]  [exceedance( 超过数 )]  [fair_chance]  [fat_chance]  [joint_probability(联合概率 )]  [risk( vt. 冒...的危险 n. 冒险, 风险 )]  [risk( vt. 冒...的危险 n. 冒险, 风险 )] 
  派生词 -> [probabilistic( 盖然论的, 或然说的 )]  [probable( adj. 很可能的, 大概的 )] 
  
• 
  [2.n.probability] (同义词:[probability( n. 可能性, 或然性, 概率 )]  )
• 
  注释列句：the quality of being probable; a probable event or the most probable event; "for a while mutiny seemed a probability"; "going by past experience there was a high probability that the visitors were lost"
• 上位词 -> [quality( n. 质量, 品质, 性质 )]  [attribute( n. 属性, 品质, 特征, 加于, 归结于 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )] 
• 下位词 -> [likelihood( n. 可能, 可能性 )] 
  反义词 -> [improbability( n. 不大可能的事物, 未必有之事 )] 
  派生词 -> [probabilistic( 盖然论的, 或然说的 )]  [probable( adj. 很可能的, 大概的 )]