astern.

/ˈɑːstə/

/ˈastə/

Etymology: < Latin aster, < Greek ἀστήρ star.

†1. A star. Obsolete as English.

ΘΚΠ

the world > the universe > star > [noun]

stareOE

starnc1175

lamp1423

aster1603

spangle1605

fires of heaven1609

asterism1657

sunleta1854

1603 J. Florio tr. M. de Montaigne Ess. i. xxii. 47 The revolutions..and carrols of the asters and planets.

1706 [see sense 2].

2. Botany. A large genus of the family Compositæ, with showy radiated flowers, of which the North American species are especially numerous. The only indigenous British species is the Sea Starwort or Michaelmas Daisy ( A. Tripolium).

ΘΚΠ

the world > plants > particular plants > cultivated or valued plants > particular cultivated or ornamental plants > particular flower or plant esteemed for flower > [noun] > composite flowers > other composite flowers

ox-eyea1400

starwort?a1450

Jupiter's beard1567

goldenrod1568

achillea1597

blue camomile1597

blue daisy1597

cineraria1597

hog's bean1597

jackanapes on horseback1597

sea-starwort1597

sultan flower1629

mouse-ear1696

aster1706

Canada goldenrod1731

ageratum1737

rudbeckia1751

coreopsis1753

melampodium1754

Aaron's rod1760

zinnia1761

Michaelmas daisy1767

China aster1785

New England aster1785

catananche1798

sea-aster1812

cosmea1813

cosmos1813

gazania1813

erigeron1815

gousblom1822

Christmas daisy1829

rhodanthe1834

tassel-flower1836

ligularia1839

old maid1839

mountain daisy1848

purple coneflower1848

acroclinium1852

sea ox-eye1856

thimble-weed1860

helipterum1862

treasure-flower1866

Swan River daisy1873

blanket flower1879

cone-flower1879

blue marguerite1882

Solidago1883

yellow-top1887

Gaillardia1888

gerbera1889

youth and old age1889

pussytoes1892

niggerhead1893

Transvaal daisy1899

Barberton daisy1906

onion grass1909

ursinia1928

Cupid's dart1930

Livingstone daisy1932

1706 Phillips's New World of Words (new ed.) Aster, a Star; also the Herb Star-wort, Spare-wort, or Cod-wort.

a1761 M. Delany Autobiogr. & Corr. (1861) III. 507 A little pale purple Aster with a yellow thrum.

1864 W. C. Bryant Autumn Walk iii And the purple aster waves In a breeze from the land of battles.

3. China aster n. a flower ( Callistephus chinensis) allied to and resembling the asters proper.

ΘΚΠ

ox-eyea1400

starwort?a1450

Jupiter's beard1567

goldenrod1568

achillea1597

blue camomile1597

blue daisy1597

cineraria1597

hog's bean1597

jackanapes on horseback1597

sea-starwort1597

sultan flower1629

mouse-ear1696

aster1706

Canada goldenrod1731

ageratum1737

rudbeckia1751

coreopsis1753

melampodium1754

Aaron's rod1760

zinnia1761

Michaelmas daisy1767

China aster1785

New England aster1785

catananche1798

sea-aster1812

cosmea1813

cosmos1813

gazania1813

erigeron1815

gousblom1822

Christmas daisy1829

rhodanthe1834

tassel-flower1836

ligularia1839

old maid1839

mountain daisy1848

purple coneflower1848

acroclinium1852

sea ox-eye1856

thimble-weed1860

helipterum1862

treasure-flower1866

Swan River daisy1873

blanket flower1879

cone-flower1879

blue marguerite1882

Solidago1883

yellow-top1887

Gaillardia1888

gerbera1889

youth and old age1889

pussytoes1892

niggerhead1893

Transvaal daisy1899

Barberton daisy1906

onion grass1909

ursinia1928

Cupid's dart1930

Livingstone daisy1932

1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxvi. 394 Chinese Aster is an annual plant, with ovate, angulate leaves.

1859 J. M. Jephson & L. Reeve Narr. Walking Tour Brittany xvi. 268 A fine show of China asters in full bloom.

4. Cell Biology (a) A star-shaped achromatinic structure surrounding the centrosome of a cell during mitosis; (b) the star-shaped grouping of the chromosomes during mitosis.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > other structures in mitosis

sun figure1877

aster1879

linin1887

skein1889

spireme1889

tetraster1890

cytaster1892

astrosphere1893

mid-body1896

restitution nucleus1927

synaptonemal complex1958

1879 E. Klein in Q. Jrnl. Microsc. Sci. 19 414 We pass..to large nuclei..in which the deeply-stained fibrils are arranged like a single aster (‘Monaster’), apparently terminating freely at the periphery, but connected into a central network... Next, we trace these [fibrils] into a nuclei without a membrane in which the fibrils are similar in appearance to the preceding ones, but arranged as a double aster (‘Dyaster’).

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) p. xxv A star or aster with a pronucleus as a centre.

1909 J. W. Jenkinson Exper. Embryol. 107 Each sperm forms its own aster, and these combine with one another to form various irregular mitotic figures (triasters, tetrasters, and so on).

1920 L. Doncaster Introd. Study Cytol. iii. 31 The centrosome with its system of rays is called an aster, and the two asters with the sheaf of fibres connecting them are the achromatic or mitotic spindle.

1963 New Scientist 7 Feb. 305 When an egg is fertilised, two structures called asters appear in the cell and a spindle forms between them.

5. A star-shaped spicule.

ΚΠ

1887 Encycl. Brit. XXII. 417 The rays of an aster as of other spicules may be spined.

This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2019).

单词	aster
释义	astern. /ˈɑːstə//ˈastə/ Etymology: < Latin aster, < Greek ἀστήρ star. †1. A star. Obsolete as English. ΘΚΠ the world > the universe > star > [noun] stareOE starnc1175 lamp1423 aster1603 spangle1605 fires of heaven1609 asterism1657 sunleta1854 1603 J. Florio tr. M. de Montaigne Ess. i. xxii. 47 The revolutions..and carrols of the asters and planets. 1706 [see sense 2]. 2. Botany. A large genus of the family Compositæ, with showy radiated flowers, of which the North American species are especially numerous. The only indigenous British species is the Sea Starwort or Michaelmas Daisy ( A. Tripolium). ΘΚΠ the world > plants > particular plants > cultivated or valued plants > particular cultivated or ornamental plants > particular flower or plant esteemed for flower > [noun] > composite flowers > other composite flowers ox-eyea1400 starwort?a1450 Jupiter's beard1567 goldenrod1568 achillea1597 blue camomile1597 blue daisy1597 cineraria1597 hog's bean1597 jackanapes on horseback1597 sea-starwort1597 sultan flower1629 mouse-ear1696 aster1706 Canada goldenrod1731 ageratum1737 rudbeckia1751 coreopsis1753 melampodium1754 Aaron's rod1760 zinnia1761 Michaelmas daisy1767 China aster1785 New England aster1785 catananche1798 sea-aster1812 cosmea1813 cosmos1813 gazania1813 erigeron1815 gousblom1822 Christmas daisy1829 rhodanthe1834 tassel-flower1836 ligularia1839 old maid1839 mountain daisy1848 purple coneflower1848 acroclinium1852 sea ox-eye1856 thimble-weed1860 helipterum1862 treasure-flower1866 Swan River daisy1873 blanket flower1879 cone-flower1879 blue marguerite1882 Solidago1883 yellow-top1887 Gaillardia1888 gerbera1889 youth and old age1889 pussytoes1892 niggerhead1893 Transvaal daisy1899 Barberton daisy1906 onion grass1909 ursinia1928 Cupid's dart1930 Livingstone daisy1932 1706 Phillips's New World of Words (new ed.) Aster, a Star; also the Herb Star-wort, Spare-wort, or Cod-wort. a1761 M. Delany Autobiogr. & Corr. (1861) III. 507 A little pale purple Aster with a yellow thrum. 1864 W. C. Bryant Autumn Walk iii And the purple aster waves In a breeze from the land of battles. 3. China aster n. a flower ( Callistephus chinensis) allied to and resembling the asters proper. ΘΚΠ the world > plants > particular plants > cultivated or valued plants > particular cultivated or ornamental plants > particular flower or plant esteemed for flower > [noun] > composite flowers > other composite flowers ox-eyea1400 starwort?a1450 Jupiter's beard1567 goldenrod1568 achillea1597 blue camomile1597 blue daisy1597 cineraria1597 hog's bean1597 jackanapes on horseback1597 sea-starwort1597 sultan flower1629 mouse-ear1696 aster1706 Canada goldenrod1731 ageratum1737 rudbeckia1751 coreopsis1753 melampodium1754 Aaron's rod1760 zinnia1761 Michaelmas daisy1767 China aster1785 New England aster1785 catananche1798 sea-aster1812 cosmea1813 cosmos1813 gazania1813 erigeron1815 gousblom1822 Christmas daisy1829 rhodanthe1834 tassel-flower1836 ligularia1839 old maid1839 mountain daisy1848 purple coneflower1848 acroclinium1852 sea ox-eye1856 thimble-weed1860 helipterum1862 treasure-flower1866 Swan River daisy1873 blanket flower1879 cone-flower1879 blue marguerite1882 Solidago1883 yellow-top1887 Gaillardia1888 gerbera1889 youth and old age1889 pussytoes1892 niggerhead1893 Transvaal daisy1899 Barberton daisy1906 onion grass1909 ursinia1928 Cupid's dart1930 Livingstone daisy1932 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxvi. 394 Chinese Aster is an annual plant, with ovate, angulate leaves. 1859 J. M. Jephson & L. Reeve Narr. Walking Tour Brittany xvi. 268 A fine show of China asters in full bloom. 4. Cell Biology (a) A star-shaped achromatinic structure surrounding the centrosome of a cell during mitosis; (b) the star-shaped grouping of the chromosomes during mitosis. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > other structures in mitosis sun figure1877 aster1879 linin1887 skein1889 spireme1889 tetraster1890 cytaster1892 astrosphere1893 mid-body1896 restitution nucleus1927 synaptonemal complex1958 1879 E. Klein in Q. Jrnl. Microsc. Sci. 19 414 We pass..to large nuclei..in which the deeply-stained fibrils are arranged like a single aster (‘Monaster’), apparently terminating freely at the periphery, but connected into a central network... Next, we trace these [fibrils] into a nuclei without a membrane in which the fibrils are similar in appearance to the preceding ones, but arranged as a double aster (‘Dyaster’). 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) p. xxv A star or aster with a pronucleus as a centre. 1909 J. W. Jenkinson Exper. Embryol. 107 Each sperm forms its own aster, and these combine with one another to form various irregular mitotic figures (triasters, tetrasters, and so on). 1920 L. Doncaster Introd. Study Cytol. iii. 31 The centrosome with its system of rays is called an aster, and the two asters with the sheaf of fibres connecting them are the achromatic or mitotic spindle. 1963 New Scientist 7 Feb. 305 When an egg is fertilised, two structures called asters appear in the cell and a spindle forms between them. 5. A star-shaped spicule. ΚΠ 1887 Encycl. Brit. XXII. 417 The rays of an aster as of other spicules may be spined. This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2019). > see also also refers to : -astersuffix < n.1603 see also
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astern.

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