English

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Etymology

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deciduous +‎ -ness

Pronunciation

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Noun

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deciduousness (uncountable)

  1. The state or condition of being deciduous; the quality of trees which lose their leaves in winter or the dry season.
    • 2010, Geoff Williams, Paul Adam, The Flowering of Australia's Rainforests, page 59:
      Worldwide, foliage deciduousness in angiosperms is believed to have arisen in tropical species as a response to periodic drought.
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