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Aster - 10 dictionary results
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as⋅ter

  [as-ter]
Use Aster in a Sentence
–noun
1. any composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk.
2. a plant of some allied genus, as the China aster.
3. Cell Biology. a structure formed in a cell during mitosis, composed of astral rays radiating about the centrosome.
4. Furniture. sunflower (def. 2).
Origin:
1595–1605; < L < Gk astr star
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-aster

1 
a diminutive or pejorative suffix denoting something that imperfectly resembles or mimics the true thing: criticaster; poetaster, oleaster.
Origin:
< L

-aster

2 
Chiefly Biology. a combining form with the meaning “star,” used in the formation of compound words: diaster.
Origin:
< Gk astr star; cf. astro-

sun⋅flow⋅er

  [suhn-flou-er]
–noun
1. any of various composite plants of the genus Helianthus, as H. annuus, having showy, yellow-rayed flower heads often 12 in. (30 cm) wide, and edible seeds that yield an oil with a wide variety of uses: the state flower of Kansas.
2. Also called aster. Furniture. a conventionalized flower motif carved in the center panels of a Connecticut chest.
Origin:
1555–65; trans. of L flōs sōlis flower of the sun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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as·ter   (ās'tər)   
n.  
  1. 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.
  2. The China aster.
  3. Biology A star-shaped structure formed in the cytoplasm of a cell and having raylike fibers that surround the centrosome during mitosis.

[Latin astēr, a type of plant, from Greek, star, type of daisy; see ster-3 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Aster

As"ter\ ([a^]s"t[~e]r), n. [L. aster aster, star, Gr. 'asth`r star. See Star.]

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.

Aster

As"ter\, n. (Biol.) A star-shaped figure of achromatic substance found chiefly in cells dividing by mitosis.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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aster 
flower genus, 1706, from L. aster "star" (see star); so called for the radiate heads of the flowers.
Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: as·ter
Pronunciation: 'as-t&r
Function: noun
: a system of gelated cytoplasmic rays arranged radially about a centriole at either endof the mitotic or meiotic spindle called also cytaster
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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aster as·ter (ās'tər)
n.
See 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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