power function

noun

Definition of power function 

1 : a function of a parameter under statistical test whose value for a particular value of the parameter is the probability of rejecting the null hypothesis if that value of the parameter happens to be true

2 : a function (such as f(x) = axk) that equals the product of a constant and a power of the independent variable

Examples of power function in a Sentence

Recent Examples on the Web

The pardon power functioned primarily in an ordinary, routine administrative manner. Mark Joseph Stern, Slate Magazine, "The George W. Bush Advice Obama Should Have Taken," 5 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'power function.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of power function

1914, in the meaning defined at sense 2

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The first known use of power function was in 1914

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