heartwood
/hahrt-wood/US // ˈhɑrtˌwʊd //UK // (ˈhɑːtˌwʊd) //
心木,心材,核心木材,心木类
Definitions
n.名词 noun
- 1
- : the hard central wood of the trunk of an exogenous tree; duramen.
Examples
She also authored Heartwood, a story collection for adult literacy students, and edited The Ringing Ear: Black Poets Lean South.
The spores of a heartwood-inhabiting fungus cannot germinate and thrive unless they fall upon the heartwood of the tree.
Spores of parasitic fungi enter the cracks, germinate and infect the heartwood.
Nearly all the larger trees in the Fuegian forests have the heartwood decayed, and are worthless as timber.
Pur′ple-wood, -heart, the heartwood of Copaifera pubiflora, used for ramrods.
The living outer portion of a trunk or large branch of a tree between the heartwood and the bark.
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