Meaning of powder down | Babel Free
Definitions
A special type of down that occurs in a few groups of apparently unrelated birds. In some species, the tips of the barbules on the feathers disintegrate, forming fine particles of keratin; in others, powder grains come from cells that surround the barbules of growing feathers.
Examples
“All parrots have powder down.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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