Sentence:  We devote a chapter to the binomial distribution not only because it is a mathematical model for an <WSD>enormous</WSD> variety of real life phenomena , but also because it has important properties that recur in many other probability models . 
Meaning of the word marked with <WSD> tags:  extraordinarily large in size or extent or amount or power or degree; that a whole civilization should be dependent on technology"- Walter Lippman