106 entries under expression topic. ×

2
natural product chemistry(noun, form, study, science)
2
ocean chemistry(noun, study, treatment, science)
2
optical physics(noun, form, study, science)
2
organic geochemistry(noun, study, treatment, science)
2
peer review(noun, study, science, aspect)
2
physical anthropology(noun, study, science, aspect)
2
physical cosmology(noun, form, study, science)
2
physical law(noun, study, science, aspect)
2
planetary geology(noun, study, treatment, science)
2
planetary science(noun, form, study, science)
2
plasma physics(noun, form, study, science)
2
polymer physics(noun, form, study, science)
2
population biology(noun, study, science, determination)
2
population dynamics(noun, study, treatment, science)
2
population ecology(noun, study, science, determination)
2
quantum mechanics(noun, form, study, science)
2
regional geochemistry(noun, study, treatment, science)
2
scientific evidence(noun, study, science, aspect)
2
scientific method(noun, study, science, aspect)
2
scientific theory(noun, study, science, aspect)
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APASmart Define. (2015). natural science thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/natural_science/thesaurus/narrower
ChicagoSmart Define. 2015. "natural science thesaurus" https://smartdefine.org/natural_science/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 2015, natural science thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/natural_science/thesaurus/narrower>.
MLASmart Define. "natural science thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/natural_science/thesaurus/narrower>