Definition of heartwood in English:

heartwood

noun

  • The dense inner part of a tree trunk, yielding the hardest timber.

    • ‘B Grade is similar to B Heart except that it permits sapwood as well as heartwood.’
    • ‘Construction Common, Deck Common, Merchantable Heart and Merchantable are knotty garden grades of redwood and offer a colorful mix of sapwood and heartwood.’
    • ‘In the inner heartwood, these bodies were rarefying and cell walls became impregnated by a brown colour.’
    • ‘Choose Construction Common or Deck Common redwood, grades with pleasing blends of heartwood and sapwood, for a long-lasting and economical deck.’
    • ‘This is a branch of heartwood, it will serve you better than any other weapon, use it well.’
    • ‘The two oldest individuals at Caffey Hill both contained decayed heartwood, so stand maximum ages exceeded these values.’
    • ‘Their decay-resistant heartwood is highly valued for construction, and logging in Sequoia National Forest has gone on for over a century.’
    • ‘The older-growth heartwood is very resistant to decay, but the lumber from young trees that are harvested too soon has a lower level of decay resistance.’
    • ‘A heartwood is the wood from the center of the tree, the area around the center carries the sap in the tree and is called sap wood.’
    • ‘The straight-gained hardwood has a light to dark brown heartwood tinged with yellow or green.’
    • ‘The traditional yew bow of Europe acted as though it were a composite bow, as it was preferably made of a section of yew taken where the sapwood and heartwood joined.’
    • ‘Rays radiate from the centre of the trunk, and the heartwood - the inner rings - differs from the outer rings, which are called the sapwood.’
    • ‘The relative amounts of heartwood and sapwood in a flooring batch may affect the way it accepts stain and finish and, therefore, the finished appearance of the floor.’
    • ‘From the central heartwood to the outer bark it was as solid as a rock - thick healthy wood through and through.’
    • ‘The essential oil is found in greater abundance in the roots and heartwood of mature trees, which necessitates felling.’
    • ‘Decayed heartwood may sufficiently weaken trees enough to increase ice and wind mortality.’
    • ‘Only light wood was included in these samples; the chemistry of dark heartwood or disease-stained wood is known to be quite different from light wood.’
    • ‘They're a nice, knot-free heartwood, meaning that there's no outer layer of sapwood on it.’
    • ‘In the space frame, struts are made of peeler cores - the thin cylinders of heartwood remaining on the lathes after their long blades peel off plywood veneers from logs.’
    • ‘Because the redwood used years ago came from very old trees, most of the lumber produced was heartwood from the center of the tree, which is disease and rot resistant.’

Pronunciation:

heartwood

/ˈhärtˌwo͝od/