Word.ws English Dictionary

bullet dwarf

bullet dwarf noun: an ultradiffuse dwarf galaxy that resulted from the collisions of two dwarf galaxies, where the stars, gas, and, dust, collide, bind, and shocked together, creating a new single dwarf galaxy and starburst, while the companion dark matter haloes continue onward on their former paths, separating from the now singular galaxy.

Noun

bullet dwarf (plural bullet dwarfs)

  1. An ultradiffuse dwarf galaxy that resulted from the collisions of two dwarf galaxies, where the stars, gas, and, dust, collide, bind, and shocked together, creating a new single dwarf galaxy and starburst, while the companion dark matter haloes continue onward on their former paths, separating from the now singular galaxy.
  2. Any of a series of ultradiffuse dwarfs lined up on the path of the two dark matter haloes after collision, the remnants of the collision of two, perhaps not dwarf, galaxies, falling behind due to matter shockwave interactions the dark matter did not experience.

Forms of bullet dwarf

pluralbullet dwarfs
alternative formbullet dwarf galaxy

Origin of bullet dwarf

Blend of Bullet Cluster + dwarf galaxy. From being a situation analogous to the Bullet Cluster of galaxies, except involving a single dwarf galaxy. Where the Bullet Cluster is a galaxy cluster shorn of its dark matter the result of two galaxy clusters colliding and combining, but their dark matter haloes passing through each other and continuing on their way.

Questions about bullet dwarf

What does bullet dwarf mean?
Bullet dwarf means an ultradiffuse dwarf galaxy that resulted from the collisions of two dwarf galaxies, where the stars, gas, and, dust, collide, bind, and shocked together, creating a new single dwarf galaxy and starburst, while the companion dark matter haloes continue onward on their former paths, separating from the now singular galaxy.
What part of speech is bullet dwarf?
Bullet dwarf is a noun.
What is the plural of bullet dwarf?
The plural of bullet dwarf is bullet dwarfs.

Words near bullet dwarf in the dictionary

  1. bullet chess
  2. bullet climb
  3. bullet climbed
  4. bullet climbing
  5. bullet climbs
  6. bullet dwarf
  7. bullet fee
  8. bullet fees
  9. bullet graph
  10. bullet graphs
  11. bullet hell

Source and license

Adapted from Wiktionary: bullet dwarf (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “bullet dwarf.” Word.ws, https://word.ws/bullet_dwarf. Based on Wiktionary, CC BY-SA 4.0.