Synonyms|11Antonyms|0|Broader|12Narrower|393Related|13
10
environmental issue(feature, environment, issue)
3
environmental science(nature, environment, science)
2
environmental study(noun, study, environment, field)
1
earth science
1
environmental education(study, environment, education)
1
geography(noun, form, study, science, field)
1
geophysics
1
natural science
1
science(noun, study, type, knowledge, branch)
1
social science
0
ecoregion(noun, concept, area, science, ecology)
0
geophysical science
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ChicagoSmart Define. 2015. "hydrology thesaurus" https://smartdefine.org/hydrology/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2015, hydrology thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hydrology/thesaurus/broader>.
MLASmart Define. "hydrology thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/hydrology/thesaurus/broader>