subdwarf

Definition of subdwarfnext

Example Sentences

Recent Examples of Synonyms for subdwarf
Noun
  • Like all neutron stars, the pulsar component of NGC 362D was born when a star with between eight and 12 times the mass of the sun died in a massive supernova explosion.
    — Robert Lea, Space.com, 2 Oct. 2026
  • If Chicago had not gone full supernova on Sunday, Baltimore’s offense would be the biggest fantasy story.
    — Andy Behrens, New York Times, 14 Sep. 2026
Noun
  • The supermassive black hole in question is powering a type of quasar called a blazar.
    — Robert Lea, Space.com, 19 Aug. 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
Noun
  • The observations show the red supergiant has an atmosphere with a temperature of around 3,680 degrees Fahrenheit (2,030 degrees Celsius), but possesses at least two regions even hotter than this.
    — Robert Lea, Space.com, 25 Aug. 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
Noun
  • That means the measurements provided by pulsar timing arrays could help determine how abundant heavy black hole seeds were in the early universe.
    — Robert Lea, Space.com, 21 Aug. 2026
  • The pulsar ties back to early research on the phenomenon, which had scientists wondering if their signals were signs of alien life.
    — Jared Weiss, New York Times, 31 July 2026
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
Noun
  • Climate Central scientist Zachary Labe notes that forecasting the weather is complex and variable, which makes such predictions tricky.
    — Jackie Flynn Mogensen, Scientific American, 2 Oct. 2026
  • If a price may change because of materials, scope or another variable, say so early.
    — Levi King, Forbes.com, 1 Oct. 2026
Noun
  • The same happens with a newborn neutron star but on a much grander scale; some pulsars have been measured to spin in excess of 700 times per second.
    — Robert Lea, Space.com, 2 Oct. 2026
  • Answering that question would allow astrophysicists to address other mysteries, such as the precise threshold where a neutron star will collapse to form a black hole.
    — Clara Moskowitz, Scientific American, 28 Sep. 2026
Noun
  • However, some stars collapse to form a white dwarf composed of oxygen, neon and magnesium.
    — Robert Lea, Space.com, 16 Sep. 2026
  • The white dwarf emits radiation and produces a giant gas bubble—the lion’s face—that destroys dust in its path.
    — Mary Randolph, Scientific American, 12 Aug. 2026
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

Cite this Entry

“Subdwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/subdwarf. Accessed 5 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!