Synonyms|5Antonyms|0|Broader|28Narrower|61Related|83
2
exoplanet(noun, study, treatment, science, knowledge)
2
extraterrestrial atmosphere(noun, expression, study, treatment, science)
2
interplanetary space(noun, expression, study, treatment, science)
2
interstellar atom(noun, expression, form, study, science)
2
interstellar cloud(noun, expression, form, study, science)
2
interstellar medium(noun, expression, form, study, science)
2
interstellar medium condition(noun, expression, study, treatment, science)
2
interstellar molecule(noun, expression, form, study, science)
2
interstellar particle(noun, expression, study, treatment, science)
2
interstellar space(noun, expression, form, study, science)
2
interstellar species(noun, expression, form, study, science)
2
ion(noun, form, study, science, field)
2
isotope(noun, form, study, science, field)
2
isotope ratio(noun, expression, form, study, science)
2
ketone(noun, study, treatment, science, knowledge)
2
light(noun, form, study, science, field)
2
meteorite(noun, form, study, science, field)
2
molecular astrophysics(noun, expression, form, study, science)
2
molecular gas cloud(noun, expression, form, study, science)
2
molecular ion(noun, expression, study, treatment, science)
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APASmart Define. (2015). astrochemistry thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/astrochemistry/thesaurus/narrower
ChicagoSmart Define. 2015. "astrochemistry thesaurus" https://smartdefine.org/astrochemistry/thesaurus/narrower (accessed September 27, 2026).
HarvardSmart Define 2015, astrochemistry thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/astrochemistry/thesaurus/narrower>.
MLASmart Define. "astrochemistry thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/astrochemistry/thesaurus/narrower>