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Definition of astrosphere in English:

astrosphere

Pronunciation /ˈastrə(ʊ)sfɪə/

noun

Biology

  • Originally: the aster of a dividing cell, or the outer portion of this, exclusive of the centrosome. Later also: the centrosome of a cell.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From astro- + sphere, after German Astrosphäre.