Synonyms|63Antonyms|0|Broader|6Narrower|0Related|81
4
atmosphere of earth(noun, earth, atmosphere, layer)
1
astronomy
1
earth science
1
geophysics
1
region
0
part
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APASmart Define. (2015). ionosphere thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ionosphere/thesaurus/broader
ChicagoSmart Define. 2015. "ionosphere thesaurus" https://smartdefine.org/ionosphere/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 2015, ionosphere thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ionosphere/thesaurus/broader>.
MLASmart Define. "ionosphere thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/ionosphere/thesaurus/broader>