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

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AGNs are extremely bright due to the turbulence created in accretion disks by the incredible gravitational influence of supermassive black holes with masses equivalent to millions or billions of suns. Robert Lea, Space.com, 15 Jan. 2025 Within those two years, the fluctuation period ramped up from every 18 minutes to just seven minutes – the first-ever measurement of its kind around a supermassive black hole. Eric Lagatta, USA TODAY, 14 Jan. 2025 What better way to wrap up than returning home to pop in on Sgr A*, the supermassive black hole at the heart of our galaxy? Robert Lea, Space.com, 30 Dec. 2024 The historic observation was made with the Event Horizon Telescope (EHT), and revealed magnetic field similarities with those surrounding the supermassive black hole at the heart of the galaxy M87. Josh Dinner, Space.com, 24 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

Dictionary Entries Near supermassive

Cite this Entry

“Supermassive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supermassive. Accessed 21 Jan. 2025.

Last Updated: - Updated example sentences
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