duramen
/djʊˈreɪmɛn
/noun [mass noun] Botany
The heartwood of a tree.Duramen is resistant; therefore, pieces made entirely out of duramen need no preservation....
- High natural durability, duramen is resistant against biological attack; however it's resistance to underwater insects is low, vacuum-pressure chamber is recommended.
- Also, in general, the quality of a bolt is roughly divided into a comparatively hard alburnum and a comparatively soft duramen, and usually, each part has a different moisture content and/or color.
Origin
Mid 19th century: from Latin, literally 'hardness', from durare 'harden'.
- lagerstätte
- laggard
- laggardly
- laggardness
- lagged
- lagger
- lagging
- La Gioconda
- lagniappe
- lagomorph
- Lagomorpha
- lagoon
- lagoonal
- Lagos
- La Grande River
- Lagrange, Joseph Louis
- Lagrangian point
- lag screw
- sodium nitrate
- sodium nitroprusside
- sodium thiosulfate
- sodium thiosulphate
- sodium-vapour lamp
- Sodom
- sodomite