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duramen

Syllabification: du·ra·men
Pronunciation: /d(y)o͝orˈāmən
 
/

Definition of duramen in English:

noun

Botany
The heartwood of a tree.
Example sentences
  • 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'.

Definition of duramen in:

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