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astrosphere

noun

as·​tro·​sphere ˈas-trə-ˌsfi(ə)r How to pronounce astrosphere (audio)
: an aster exclusive of the centrosome

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Cite this Entry

“Astrosphere.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/astrosphere. Accessed 4 Dec. 2025.

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