variance /'vєәriәns/

释义

(n.) the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
(n.) an official dispensation to act contrary to a rule or regulation (typically a building regulation)

在词托邦里，「variance」是一只名词属性像素生物（法语词源 · 植物型生物，极稀有卡）。字母决定它的长相，词源决定体型，词频决定稀有度；收集它、用它造句升级，并在单词对战中记住它的词性。