supermassive

adjective

su·​per·​mas·​sive ˌsü-pər-ˈma-siv How to pronounce supermassive (audio)
: having a very large mass : extremely or extraordinarily massive
a supermassive black hole

Examples of supermassive in a Sentence

Recent Examples on the Web
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Astronomers have used the James Webb Space Telescope to spy fireworks of light radiating near the supermassive black hole at the center of our Milky Way galaxy. Ashley Strickland, CNN, 23 Feb. 2025 The aim has been to discover how the supermassive black holes at the hearts of galaxies, which have masses millions or billions of times that of the sun, power active galactic nuclei (AGNs) and near light-speed jets. Robert Lea, Space.com, 21 Feb. 2025 The flares are common in supermassive black holes and have been seen before, says Farhad Yusef-Zadeh, a professor of physics and astronomy at Northwestern University who led the study. Chandelis Duster, NPR, 20 Feb. 2025 The presence of the supermassive black hole could speed up the merging process of the binary star systems, Peissker said. Julia Jacobo, ABC News, 17 Dec. 2024 See All Example Sentences for supermassive

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of supermassive was in 1937

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Cite this Entry

“Supermassive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supermassive. Accessed 13 Mar. 2025.

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