eigenvector

noun

ei·​gen·​vec·​tor ˈī-gən-ˌvek-tər How to pronounce eigenvector (audio)
: a nonzero vector that is mapped by a given linear transformation of a vector space onto a vector that is the product of a scalar multiplied by the original vector

called also characteristic vector

Examples of eigenvector in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
PageRank is more complicated than eigenvector centrality in part because links on the Internet are one-directional, whereas friendships in a social network are bidirectional, a symmetry that simplifies the math. Jack Murtagh, Scientific American, 11 Oct. 2025 The y axis represents eigenvector 1, the largest dimensions of variation in the data set, and the x axis eigenvector 2, the second largest dimension. Razib Khan, Discover Magazine, 24 Mar. 2011

Word History

Etymology

International Scientific Vocabulary eigen- (from German eigen) + vector

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of eigenvector was in 1941

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Cite this Entry

“Eigenvector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eigenvector. Accessed 30 Jun. 2026.

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