| 单词 | aster |
| 释义 | aster[ as-ter ] / ˈæs tər / nounany composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk. a plant of some allied genus, as the China aster. Cell Biology. a structure formed in a cell during mitosis, composed of astral rays radiating about the centrosome. Furniture. sunflower (def. 2). Origin of asterFirst recorded in 1595–1605; from Latin, from Greek astḗr “star”; cf. star Definition for aster (2 of 3)-aster1 a diminutive or pejorative suffix denoting something that imperfectly resembles or mimics the true thing: criticaster; poetaster, oleaster. Origin of -aster1From Latin Definition for aster (3 of 3)-aster2 Chiefly Biology. a combining form with the meaning “star,” used in the formation of compound words: diaster. Origin of -aster2<Greek astḗrstar; cf. astro- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for aster (1 of 2)aster / (ˈæstə) / nounany plant of the genus Aster, having white, blue, purple, or pink daisy-like flowers: family Asteraceae (composites)Compare golden aster China aster a related Chinese plant, Callistephus chinensis, widely cultivated for its showy brightly coloured flowers cytology a group of radiating microtubules that surrounds the centrosome before and during mitosis Word Origin for asterC18: from New Latin, from Latin aster star, from Greek British Dictionary definitions for aster (2 of 2)-aster suffix forming nounsa person or thing that is inferior or bears only a poor resemblance to what is specifiedpoetaster Word Origin for -asterfrom Latin: suffix indicating imperfect resemblance Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for asteraster [ ăs′tər ] n.astrosphere The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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