Synonyms|8Antonyms|0|Broader|5Narrower|7Related|7

5 entries under noun topic. ×

3
astronomy(study, treatment, science, knowledge)
3
collection
2
aggregation
1
accumulation
0
assemblage
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APASmart Define. (2013). extragalactic nebula thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extragalactic_nebula/thesaurus/broader
ChicagoSmart Define. 2013. "extragalactic nebula thesaurus" https://smartdefine.org/extragalactic_nebula/thesaurus/broader (accessed September 28, 2026).
HarvardSmart Define 2013, extragalactic nebula thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extragalactic_nebula/thesaurus/broader>.
MLASmart Define. "extragalactic nebula thesaurus" 19 May 2013. Web. 28 September 2026. <https://smartdefine.org/extragalactic_nebula/thesaurus/broader>