subdwarf

noun

Definition of subdwarfnext
as in supernova

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Example Sentences

Recent Examples of Synonyms for subdwarf
  1. supernova
  2. quasar
  3. supergiant
  4. pulsar
  5. nova
  6. variable
  7. neutron star
  8. white dwarf
Noun
  • The imagery shows the supernova remnant Cassiopeia A, the dusty nebula NGC 3603, the spiral galaxy Messier 94 and the galaxy cluster ZwCl 0024+1652.
    — Stephanie Pappas, Scientific American, 4 July 2026
  • The visit then took us into the future with the star going supernova, putting on a show that no one on Earth has seen for centuries.
    — Rob Pegoraro, ArsTechnica, 3 July 2026
Definition of supernova
Noun
  • The most impressive of these new discoveries is the most ancient and distant quasar ever seen, shining with the light of a trillion suns just 670 million years after the Big Bang.
    — Robert Lea, Space.com, 9 July 2026
  • The team spotted the distant quasar, an actively feeding supermassive black hole, using observations from the Subaru Telescope.
    — Georgina Jedikovska, Interesting Engineering, 23 Jan. 2026
Definition of quasar
Noun
  • May's full Blue Moon put on a dazzling display over the weekend, flooding the night sky with moonlight as the red supergiant star Antares glowed nearby.
    — Anthony Wood, Space.com, 1 June 2026
  • Located 7,200 light-years away, Cygnus X-1 features not only a black hole — the first one ever identified more than a half-century ago — but a blue supergiant star, its constant companion.
    — Marcia Dunn, Los Angeles Times, 20 Apr. 2026
Definition of supergiant
Noun
  • The team found that the magnetic field runs parallel to a remarkably long filament extending away from the pulsar, confirming that high-energy particles are streaming along magnetic field lines.
    — Samantha Mathewson, Space.com, 14 July 2026
  • In 2023 a collaboration of radio astronomers reported tiny deviations in the timing of these flashes from dozens of pulsars in the Milky Way.
    — Joseph Howlett, Scientific American, 18 June 2026
Definition of pulsar
Noun
  • Even though novas are exceptionally bright, supernovas are brighter—reaching billions of times brighter than the sun at their peak.
    — Elizabeth Gamillo, Smithsonian Magazine, 3 July 2025
Definition of nova
Noun
  • For corporate and investor decision-makers the variable that now dominates AI infrastructure economics is not model performance or chip cost curves.
    — Güney Yıldız, Forbes.com, 30 June 2026
  • But consumer demand is the big variable impacting companies’ gross margin, Sole noted.
    — Vicki M. Young, Footwear News, 29 June 2026
Definition of variable
Noun
  • When this phenomenon happens, all the matter in the neutron star fuses into one big atom, with a density of about a million billion g/cc.
    — Stephen DiKerby, The Conversation, 29 June 2026
  • Hopefully, this will help determine whether they’re sparked by an eruption from a single neutron star, or when two of these tiny but massive bodies collide.
    — Joseph Howlett, Scientific American, 18 June 2026
Definition of neutron star
Noun
  • This investigation was conducted in ultraviolet light and using custom calibration to prevent flaring from the red dwarf companions from mimicking white dwarf signals.
    — Robert Lea, Space.com, 14 July 2026
  • The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf.
    — Andrew Paul, Popular Science, 1 July 2026
Definition of white dwarf
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.

Browse Nearby Words

subduing
subdwarf
subdwarfs
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Cite this Entry

“Subdwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subdwarf. Accessed 18 Jul. 2026.

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