heartwood
noun
heart·wood
ˈhärt-ˌwu̇d 
: the older harder nonliving central wood of trees that is usually darker, denser, less permeable, and more durable than the surrounding sapwood
Examples of heartwood in a Sentence
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These termites invade the roots and then eat their way into the tree’s dead heartwood, which can contain lower amounts of these chemicals, Šobotník says.
—
Katarina Zimmer, Smithsonian Magazine, 28 Feb. 2025
The Trunk Like a tree's heartwood, your inner core builds through years of proper self-care and experience.
—Jennifer Kamara, Forbes, 26 Dec. 2024
When wood will be near soil, such as posts, retaining walls, or planter boxes, opt for the more durable heartwood grades, such as Heart Clear, Heart B, or Construction Heart.
—Sunset Magazine, 20 May 2024
Some beetles feed just underneath bark while others tunnel more deeply into heartwood.
—Miri Talabac, Baltimore Sun, 11 Jan. 2024
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Katarina Zimmer, Smithsonian Magazine, 28 Feb. 2025
The Trunk Like a tree's heartwood, your inner core builds through years of proper self-care and experience.
—Jennifer Kamara, Forbes, 26 Dec. 2024
When wood will be near soil, such as posts, retaining walls, or planter boxes, opt for the more durable heartwood grades, such as Heart Clear, Heart B, or Construction Heart.
—Sunset Magazine, 20 May 2024
Some beetles feed just underneath bark while others tunnel more deeply into heartwood.
—Miri Talabac, Baltimore Sun, 11 Jan. 2024
See All Example Sentences for heartwood
Cite this Entry
“Heartwood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartwood. Accessed 7 May. 2025.
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