116 entries under noun topic. ×

2
mining(study, treatment, science, knowledge)
2
noosphere(form, study, science, field)
2
outer core(expression, form, study, science)
2
ozone layer(expression, form, study, science)
2
paleoceanography(study, treatment, science, knowledge)
2
paleoclimatology(form, study, science, field)
2
paleogeography(study, treatment, science, knowledge)
2
paleoseismology(study, treatment, science, knowledge)
2
paleotempestology(form, study, science, field)
2
pedology(study, treatment, science, knowledge)
2
pedosphere(form, study, science, field)
2
petroleum geology(expression, study, treatment, science)
2
petrology(study, treatment, science, knowledge)
2
photogrammetry(study, treatment, science, knowledge)
2
physical geodesy(expression, study, treatment, science)
2
physical oceanography(expression, study, treatment, science)
2
planetary boundary layer(expression, form, study, science)
2
planetary geology(expression, study, treatment, science)
2
plate tectonics(expression, study, treatment, science)
2
quaternary geology(expression, study, treatment, science)
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APASmart Define. (2011). earth science thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/earth_science/thesaurus/narrower
ChicagoSmart Define. 2011. "earth science thesaurus" https://smartdefine.org/earth_science/thesaurus/narrower (accessed October 1, 2026).
HarvardSmart Define 2011, earth science thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/earth_science/thesaurus/narrower>.
MLASmart Define. "earth science thesaurus" 22 May 2011. Web. 1 October 2026. <https://smartdefine.org/earth_science/thesaurus/narrower>