Ultra-diffuse
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Extremely diffuse.
- 2 Specifically, designating a type of galaxy with a very low proportion of visible stars compared to the Milky Way, and hence a very low luminosity.
"In the next sections we study the properties of galaxies that satisfy our criteria to be ultra diffuse, and consider the contribution from galaxies in the fore- and background using the CFHTLS fields."
Example
More examples"In the next sections we study the properties of galaxies that satisfy our criteria to be ultra diffuse, and consider the contribution from galaxies in the fore- and background using the CFHTLS fields."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.