aster
noun
- any of a large genus (Aster) of plants of the composite family, with purplish, blue, pink, or white daisylike flowers
- China aster
- a structure shaped like a star, formed during mitosis around the centrosome in the cytoplasm of a cell: not formed in seed plant cells
See aster in American Heritage Dictionary 4
(ăsˈtər)
noun- Any of various plants of the genus Aster in the composite family, having radiate flower heads with white, pink, or violet rays and a usually yellow disk.
- The China aster.
- Biology A star-shaped structure formed in the cytoplasm of a cell and having raylike fibers that surround the centrosome during mitosis.
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