What is the meaning of Refutation?

An act of refuting or disproving; the disproving of an argument, opinion, testimony, doctrine or theory by argument or countervailing proof; evidence of falseness.

A vocal answer to an attack on one's assertions.

William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “refutation”, in The Century Dictionary [], New York, N.Y.: The Century Co., →OCLC.

1 2 refutation”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

1 2 refutation”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.

Source: wiktionary.org