shinzai　心材

KEY WORD :　architecture / general terms

Heartwood. The deep pith of a tree trunk or limbs. It is dark and sometimes redder than the surrounding sapwood *henzai 辺材. However, the color differs according to the type of tree. The heartwood of a cedar or pine tree is usually called akami 赤身 (red body or heart). Heartwood does not decay as easily as sapwood. It contains a considerable amount of resin but tends to crack easily.

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