binomial seriesWiktionary 原文释义（英文）名词 Noun(mathematics) The Maclaurin series expansion of the function f(x) = (1 + x)α, for arbitrary complex α; the series ∑k=0∞(αk)xk, where (αk)=α(α−1)(α−2)…(α−k+1)k!.(mathematics, loosely) The binomial theorem.