duramen

[doo-rey-min, dyoo-]

noun

Botany.

1. heartwood.

duramen

/ djʊˈreɪmɛn /

noun

1. another name for heartwood

Word History and Origins

Origin of duramen¹

1830–40; < Latin dūrāmen hardness, hardened vine branch, equivalent to dūrā ( re ) to harden + -men noun suffix

Word History and Origins

Origin of duramen¹

C19: from Latin: hardness, from dūrāre to harden

Example Sentences

The white and softer part of wood, between the inner bark and the hard wood or duramen; sapwood.

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The portions which are obstructed constitute the duramen or heartwood, the pervious portion the alburnum or sapwood.

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It is really imperfect wood, while the duramen or heartwood is the perfect wood; the heartwood of the mature tree was the sapwood of its earlier years.

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The wood of the tree, in comparison with the bark, is relatively poor in silex, the duramen of an old tree giving only 2.5 per cent of silex.

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See cruel. heart-shaped, a. cordate, cordiform. heartwood, n. duramen. hearty, a. cordial, heartfelt, sincere; healthy, robust, hale; nourishing, nutritious. heat, n. warmth, caloric; cauma.

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