su·​per·​clu·​ster ˈsü-pər-ˌklə-stər How to pronounce supercluster (audio)
: a group of gravitationally associated clusters of galaxies

Examples of supercluster in a Sentence

Recent Examples on the Web Laniakea comprises four supercluster branches totaling over 500 groups and clusters with more than 100,000 individual galaxies. Paul Sutter, Ars Technica, 24 Apr. 2023 Unlike clusters and groups, superclusters are not gravitationally bound and have not yet completely collapsed. Paul Sutter, Ars Technica, 24 Apr. 2023 In subcortical areas, there also appears to be a supercluster of cells called splatter neurons that control innate behaviors and physiological functions. Popular Science, 12 Oct. 2023 In 2014, astronomers identified a new supercluster based on the relative motions of galaxies analyzed in a more sophisticated way than ever before. David J Eicher, Discover Magazine, 19 May 2020 In the resulting maps, previously hazy boundaries between superclusters suddenly grow sharp, delineated by swarms of galaxies confined to gargantuan gravitational basins. Lee Billings, Scientific American, 1 July 2016 Altogether, the supercluster is something like 300 million light years across... and is still not the largest structure. Phil Plait, Discover Magazine, 7 Mar. 2012 Very Large Telescope has just announced the discovery of the largest, most massive proto-supercluster discovered to date, already forming just 2.3 billion years after the Big Bang. Alison Klesman, Discover Magazine, 18 Oct. 2018 Here, a still from a simulation shows one of the largest structures identified in the universe, a supercluster of galaxies, voids and galactic filaments called the BOSS Great Wall. Ann Finkbeiner, Discover Magazine, 28 Aug. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'supercluster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of supercluster was in 1926

Dictionary Entries Near supercluster

Cite this Entry

“Supercluster.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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