[ as-ter ]
/ ˈæs tər /
any 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).
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”
Origin of aster
First recorded in 1595–1605; from Latin, from Greek astḗr “star”; cf. star
Definition for aster (2 of 3)
a diminutive or pejorative suffix denoting something that imperfectly resembles or mimics the true thing: criticaster; poetaster, oleaster.
Origin of -aster1
Definition for aster (3 of 3)
Chiefly Biology. a combining form with the meaning “star,” used in the formation of compound words: diaster.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for aster (1 of 2)
/ (ˈæstə) /
any 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 aster
C18: from New Latin, from Latin aster star, from Greek
British Dictionary definitions for aster (2 of 2)
suffix forming nouns
a person or thing that is inferior or bears only a poor resemblance to what is specifiedpoetaster
Word Origin for -aster
from 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 aster
[ ăs′tər ]
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.