30 entries under earth topic. ×

18
environmental geology(noun, expression, form, study, treatment)
17
geomorphology(noun, study, treatment, science, knowledge)
16
geography(noun, study, treatment, science, knowledge)
16
geology(noun, form, study, science, field)
15
chemical oceanography(noun, expression, study, treatment, science)
15
engineering geology(noun, expression, form, study, science)
15
physical geography(noun, expression, study, treatment, science)
15
soil science(noun, expression, study, treatment, science)
11
geophysics(noun, study, treatment, science, knowledge)
10
oceanography(noun, form, study, treatment, science)
10
climatology(noun, form, study, science, field)
10
geoinformatics(noun, study, treatment, science, knowledge)
10
meteorology(noun, form, study, science, field)
10
biogeography(noun, study, treatment, science, knowledge)
10
geochemistry(noun, study, treatment, science, knowledge)
10
glaciology(noun, study, treatment, science, knowledge)
10
palynology(noun, study, treatment, science, knowledge)
10
sedimentology(noun, study, treatment, science, knowledge)
10
volcanology(noun, study, treatment, science, knowledge)
10
oceanology(noun, science, education)
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APASmart Define. (2011). earth science thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/earth_science/thesaurus/narrower
ChicagoSmart Define. 2011. "earth science thesaurus" https://smartdefine.org/earth_science/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2011, earth science thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/earth_science/thesaurus/narrower>.
MLASmart Define. "earth science thesaurus" 22 May 2011. Web. 30 September 2026. <https://smartdefine.org/earth_science/thesaurus/narrower>