1. heartwood

noun. ['ˈhɑːrˌtwʊd'] the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood.


  • tree
  • wood

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Words that Rhyme with Heartwood

  • hartwood

Example sentences of the word heartwood

1. Noun, singular or mass
Basswood heartwood can be creamy white to pale pink-brown and has a straight, fine grain and uniform texture.