astrosphere

[as-truh-sfeer]

noun

Biology.

1. the central portion of an aster, in which the centrosome lies.

2. the whole aster exclusive of the centrosome.

astrosphere

/ ˈæstrəˌsfɪə /

noun

1. another name for centrosome

2. Also called: attraction sphere. the part of the aster excluding the centrosome

Word History and Origins

Origin of astrosphere¹

First recorded in 1895–1900; astro- + sphere

Example Sentences

“All these connections somehow unite to form our habitable astrosphere,” Provornikova says.

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