Definition of aster in English:

aster

noun ˈastəˈæstər

1A plant of a large genus that includes the Michaelmas daisy, typically having purple or pink rayed flowers.
紫菀属植物
Genus Aster, family Compositae: numerous species. See also China aster
Example sentencesExamples
- These asters make excellent backdrops for larger flowers in bouquets, but we also like letting them shine on their own - toward the fronts of borders or in small, densely planted beds.
- When new leaves appear, divide asters, bellflowers, chrysanthemums, daylilies, sedums, Shasta daisies, and yarrow.
- Butterflies feasted on purple asters, and dragonflies zigzagged over the buttonbushes, which bore a crop of round, dry fruits.
- Among the favorites are asters and daisies, milkweeds, mustards, mints, peas, and vervains.
- Purple asters bloom in fall, attracting monarch butterflies and providing one last blast of color when many blooms have faded.
- The aster is considered the other classic autumn flower.
- The fastest-growing asters require yearly division in spring.
- Then, long after the foxgloves have withered and the last crabapple has rolled from the tree and been carted off by a brown squirrel, the asters bloom, the last flower before snow.
- Crabgrass and plantain are an indication of acidic soil, while wood asters and poppies prefer alkaline soil.
- As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies.
- Roses, pansies, perennial asters, zinnias and even weeds become mildewed.
- There are flowers everywhere in a carpet of colour: orange globemallows and white asters and purple lupins.
- Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up.
- Not long after we moved from our small, shady city lot to a sprawling sunny piece of land in the country, we were rewarded by a visit from a flock of monarch butterflies that stopped to feed at a plot of wild asters.
- After a bit of a summer lull, the blues of woodland asters and the yellows of woodland goldenrods render the forest vibrant in late August.
- As with other members of the daisy family, annual aster flowers are composed of many long, slender petals radiating from a central disc of bright yellow.
- Small-flowered plants such as asters, coral bells, nemesia, and yarrow are great fillers.
- Plant late-blooming asters behind shorter perennials to hide the damage until they finish blooming.
- After the first hard freeze, cut back perennials such as aster, campanula, daylily, phlox, and veronica, leaving 6-inch stubs above the ground.
- But asters also come in a full range of reds and pinks, plus white.
2Biology
A radiating array of microtubules associated with a centrosome in a dividing cell.
Example sentencesExamples
- Such abnormalities can be due to abnormalities in the number of asters and spindle structures at earlier stages of meiosis.
- Each centriole now consists of a pair of protein bodies surrounded by radiating strands of protein called the aster.
- The most interesting aster configuration occurs when the spindle is parallel to the surface.
- Before mitosis, the centrosome becomes duplicated and the daughter centrosomes move to opposite sides of the nucleus and form asters.
- Meiosis is completed shortly after ovulation, concomitant with the formation of an extensive sperm aster nucleated by the sperm-derived centrosome.

Origin

Early 17th century (in the sense 'a star'): via Latin from Greek astēr 'star'.

Rhymes

Antofagasta, Astor, canasta, Jocasta, oleaster, pasta, piastre (US piaster), pilaster, poetaster, Rasta, Zoroaster

Definition of aster in US English:

aster

nounˈastərˈæstər

1A plant of the daisy family that has bright rayed flowers, typically of purple or pink.
Genus Aster, family Compositae: numerous species, many of which bloom in autumn, including the wild purple New England aster (A. novae-angliae). See also China aster
Example sentencesExamples
- But asters also come in a full range of reds and pinks, plus white.
- Among the favorites are asters and daisies, milkweeds, mustards, mints, peas, and vervains.
- Then, long after the foxgloves have withered and the last crabapple has rolled from the tree and been carted off by a brown squirrel, the asters bloom, the last flower before snow.
- Roses, pansies, perennial asters, zinnias and even weeds become mildewed.
- Purple asters bloom in fall, attracting monarch butterflies and providing one last blast of color when many blooms have faded.
- Crabgrass and plantain are an indication of acidic soil, while wood asters and poppies prefer alkaline soil.
- The fastest-growing asters require yearly division in spring.
- After a bit of a summer lull, the blues of woodland asters and the yellows of woodland goldenrods render the forest vibrant in late August.
- Small-flowered plants such as asters, coral bells, nemesia, and yarrow are great fillers.
- After the first hard freeze, cut back perennials such as aster, campanula, daylily, phlox, and veronica, leaving 6-inch stubs above the ground.
- Plant late-blooming asters behind shorter perennials to hide the damage until they finish blooming.
- Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up.
- Not long after we moved from our small, shady city lot to a sprawling sunny piece of land in the country, we were rewarded by a visit from a flock of monarch butterflies that stopped to feed at a plot of wild asters.
- As with other members of the daisy family, annual aster flowers are composed of many long, slender petals radiating from a central disc of bright yellow.
- The aster is considered the other classic autumn flower.
- Butterflies feasted on purple asters, and dragonflies zigzagged over the buttonbushes, which bore a crop of round, dry fruits.
- These asters make excellent backdrops for larger flowers in bouquets, but we also like letting them shine on their own - toward the fronts of borders or in small, densely planted beds.
- As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies.
- There are flowers everywhere in a carpet of colour: orange globemallows and white asters and purple lupins.
- When new leaves appear, divide asters, bellflowers, chrysanthemums, daylilies, sedums, Shasta daisies, and yarrow.
2Biology
A radiating array of microtubules associated with a centrosome in a dividing cell.
Example sentencesExamples
- Before mitosis, the centrosome becomes duplicated and the daughter centrosomes move to opposite sides of the nucleus and form asters.
- Such abnormalities can be due to abnormalities in the number of asters and spindle structures at earlier stages of meiosis.
- The most interesting aster configuration occurs when the spindle is parallel to the surface.
- Each centriole now consists of a pair of protein bodies surrounded by radiating strands of protein called the aster.
- Meiosis is completed shortly after ovulation, concomitant with the formation of an extensive sperm aster nucleated by the sperm-derived centrosome.

Origin

Early 17th century (in the sense ‘a star’): via Latin from Greek astēr ‘star’.

单词	aster
释义	Definition of aster in English: aster noun ˈastəˈæstər 1A plant of a large genus that includes the Michaelmas daisy, typically having purple or pink rayed flowers. 紫菀属植物 Genus Aster, family Compositae: numerous species. See also China aster Example sentencesExamples These asters make excellent backdrops for larger flowers in bouquets, but we also like letting them shine on their own - toward the fronts of borders or in small, densely planted beds. When new leaves appear, divide asters, bellflowers, chrysanthemums, daylilies, sedums, Shasta daisies, and yarrow. Butterflies feasted on purple asters, and dragonflies zigzagged over the buttonbushes, which bore a crop of round, dry fruits. Among the favorites are asters and daisies, milkweeds, mustards, mints, peas, and vervains. Purple asters bloom in fall, attracting monarch butterflies and providing one last blast of color when many blooms have faded. The aster is considered the other classic autumn flower. The fastest-growing asters require yearly division in spring. Then, long after the foxgloves have withered and the last crabapple has rolled from the tree and been carted off by a brown squirrel, the asters bloom, the last flower before snow. Crabgrass and plantain are an indication of acidic soil, while wood asters and poppies prefer alkaline soil. As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies. Roses, pansies, perennial asters, zinnias and even weeds become mildewed. There are flowers everywhere in a carpet of colour: orange globemallows and white asters and purple lupins. Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up. Not long after we moved from our small, shady city lot to a sprawling sunny piece of land in the country, we were rewarded by a visit from a flock of monarch butterflies that stopped to feed at a plot of wild asters. After a bit of a summer lull, the blues of woodland asters and the yellows of woodland goldenrods render the forest vibrant in late August. As with other members of the daisy family, annual aster flowers are composed of many long, slender petals radiating from a central disc of bright yellow. Small-flowered plants such as asters, coral bells, nemesia, and yarrow are great fillers. Plant late-blooming asters behind shorter perennials to hide the damage until they finish blooming. After the first hard freeze, cut back perennials such as aster, campanula, daylily, phlox, and veronica, leaving 6-inch stubs above the ground. But asters also come in a full range of reds and pinks, plus white. 2Biology A radiating array of microtubules associated with a centrosome in a dividing cell. Example sentencesExamples Such abnormalities can be due to abnormalities in the number of asters and spindle structures at earlier stages of meiosis. Each centriole now consists of a pair of protein bodies surrounded by radiating strands of protein called the aster. The most interesting aster configuration occurs when the spindle is parallel to the surface. Before mitosis, the centrosome becomes duplicated and the daughter centrosomes move to opposite sides of the nucleus and form asters. Meiosis is completed shortly after ovulation, concomitant with the formation of an extensive sperm aster nucleated by the sperm-derived centrosome. Origin Early 17th century (in the sense 'a star'): via Latin from Greek astēr 'star'. Rhymes Antofagasta, Astor, canasta, Jocasta, oleaster, pasta, piastre (US piaster), pilaster, poetaster, Rasta, Zoroaster Definition of aster in US English: aster nounˈastərˈæstər 1A plant of the daisy family that has bright rayed flowers, typically of purple or pink. Genus Aster, family Compositae: numerous species, many of which bloom in autumn, including the wild purple New England aster (A. novae-angliae). See also China aster Example sentencesExamples But asters also come in a full range of reds and pinks, plus white. Among the favorites are asters and daisies, milkweeds, mustards, mints, peas, and vervains. Then, long after the foxgloves have withered and the last crabapple has rolled from the tree and been carted off by a brown squirrel, the asters bloom, the last flower before snow. Roses, pansies, perennial asters, zinnias and even weeds become mildewed. Purple asters bloom in fall, attracting monarch butterflies and providing one last blast of color when many blooms have faded. Crabgrass and plantain are an indication of acidic soil, while wood asters and poppies prefer alkaline soil. The fastest-growing asters require yearly division in spring. After a bit of a summer lull, the blues of woodland asters and the yellows of woodland goldenrods render the forest vibrant in late August. Small-flowered plants such as asters, coral bells, nemesia, and yarrow are great fillers. After the first hard freeze, cut back perennials such as aster, campanula, daylily, phlox, and veronica, leaving 6-inch stubs above the ground. Plant late-blooming asters behind shorter perennials to hide the damage until they finish blooming. Sow annual flowers such as asters, cosmos, zinnias and marigolds as soon as the frost has passed and the air begins to warm up. Not long after we moved from our small, shady city lot to a sprawling sunny piece of land in the country, we were rewarded by a visit from a flock of monarch butterflies that stopped to feed at a plot of wild asters. As with other members of the daisy family, annual aster flowers are composed of many long, slender petals radiating from a central disc of bright yellow. The aster is considered the other classic autumn flower. Butterflies feasted on purple asters, and dragonflies zigzagged over the buttonbushes, which bore a crop of round, dry fruits. These asters make excellent backdrops for larger flowers in bouquets, but we also like letting them shine on their own - toward the fronts of borders or in small, densely planted beds. As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies. There are flowers everywhere in a carpet of colour: orange globemallows and white asters and purple lupins. When new leaves appear, divide asters, bellflowers, chrysanthemums, daylilies, sedums, Shasta daisies, and yarrow. 2Biology A radiating array of microtubules associated with a centrosome in a dividing cell. Example sentencesExamples Before mitosis, the centrosome becomes duplicated and the daughter centrosomes move to opposite sides of the nucleus and form asters. Such abnormalities can be due to abnormalities in the number of asters and spindle structures at earlier stages of meiosis. The most interesting aster configuration occurs when the spindle is parallel to the surface. Each centriole now consists of a pair of protein bodies surrounded by radiating strands of protein called the aster. Meiosis is completed shortly after ovulation, concomitant with the formation of an extensive sperm aster nucleated by the sperm-derived centrosome. Origin Early 17th century (in the sense ‘a star’): via Latin from Greek astēr ‘star’.
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