down feathers
collocation in Englishmeaningsofdownandfeather
These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withfeather.
down
adjective
uk/daʊn/us/daʊn/
unhappy; unable to feel excited or energetic ...
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feather
noun[C]
uk/ˈfeð.ər/us/ˈfeð.ɚ/
one of the many soft, light things that cover a bird's body, consisting of a long, thin, central part with material like hairs along ...
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(Definition ofdownandfeatherfrom theCambridge English Dictionary© Cambridge University Press)
Examplesofdown feathers
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Thedownfeatheris considered to be the simplest of all feather types.
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Ticking is a tightly woven fabric, originally to prevent down feathers from poking through the fabric.
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The hatchlings will appear semi-altricial; incapable of any complex coordination but have open eyes and are covered in down feathers.
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Some birds have a supply of powder down feathers which grow continuously, with small particles regularly breaking off from the ends of the barbules.
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Species that experience annual temperature fluctuations typically have more down feathers following their autumn moult.
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Once hatched, the nestlings are active and have their eyes fully or half open; additionally they display a sparing cover of soft down feathers.
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The chicks are born naked but soon sprout white down feathers.
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A third rarer type of feather, the filoplume, is hairlike and (if present in a bird) grows along the fluffy down feathers.
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The nest is a shallow bowl lined with dead grass and down feathers.
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In two weeks the eggs hatch, with the hatchlings covered in brown down feathers.
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The hatchlings are remarkably long-legged and covered blackish down feathers as is typical for rails and crakes.
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When oiled, for example, down feathers mat and clump together, which breaks down the bird's insulation and allows water to reach the skin.
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The great auk was hunted on a significant scale for food, eggs, and its down feathers from at least the 8th century.
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In general, 5060 nests will produce about one kilo (2.2 pounds) of down feathers.
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Within weeks, this first down is replaced by a second, paler set of down feathers, which are in turn replaced by developing juvenile feathers.
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For centuries, humans across the globe have used down feathers for insulation.
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These specialized feathers are typically scattered among ordinary down feathers, though in some species, they occur in clusters.
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Down feathers trap warm air acting as excellent insulators just as hair in mammals acts as a good insulator.
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However, all the species of white cockatoos produce large quantities of dust from their powder down feathers, which may be problematic for people with allergies.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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