61 entries under noun topic. ×

2
molecule(form, study, science, field)
2
nucleobase(study, treatment, science, knowledge)
2
organic compound(expression, study, treatment, science)
2
organic matter(expression, study, treatment, science)
2
outer space(expression, form, study, science)
2
protostar(study, treatment, science, knowledge)
2
protostellar binary(expression, study, treatment, science)
2
quantum mechanical phenomenon(expression, study, treatment, science)
2
radiation(form, study, science, field)
2
radical(study, treatment, science, knowledge)
2
radio wave(expression, study, treatment, science)
2
solid material(expression, study, treatment, science)
2
space(form, study, science, field)
2
spectroscopy(form, study, science, field)
2
spectrum(form, study, science, field)
2
star(form, study, science, field)
2
stellar evolution(expression, study, treatment, science)
2
symmetry-forbidden reaction(expression, study, treatment, science)
2
temperature(expression, form, study, science)
2
timescale(study, treatment, science, knowledge)
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APASmart Define. (2015). astrochemistry thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/astrochemistry/thesaurus/narrower
ChicagoSmart Define. 2015. "astrochemistry thesaurus" https://smartdefine.org/astrochemistry/thesaurus/narrower (accessed October 1, 2026).
HarvardSmart Define 2015, astrochemistry thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/astrochemistry/thesaurus/narrower>.
MLASmart Define. "astrochemistry thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/astrochemistry/thesaurus/narrower>