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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 as·ter /ˈæstɚ/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 as·ter /ˈæstɚ/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 As·ter n.
 1. Bot. A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.
 2. Floriculture A plant of the genus Callistephus. Many varieties (called China asters, German asters, etc.) are cultivated for their handsome compound flowers.
 3. Biol. A star-shaped figure of achromatic substance found chiefly in cells dividing by mitosis.

From: WordNet (r) 2.0

      n 1: any of various chiefly fall-blooming herbs of the genus
           Aster with showy daisylike flowers
      2: star-shaped structure formed in the cytoplasm of a cell
         having fibers like rays that surround the centrosome
         during mitosis