pith [piθ]

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1. This is a plant stem that has been pithed.
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2. Long sticks pith underdevelopment.
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3. Heartwood is the mature wood, which is often darker, extending from the sapwood to the pith.
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n.
  1. soft spongelike central cylinder of the stems of most flowering plants
  2. the choicest or most essential or most vital part of some idea or experience
v.
  1. remove the pith from (a plant)

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pith
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Ricepaperplant Pith
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tangerine pith
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pith black
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pith float
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