| 单词 | duramen |
| 例句 | The white and softer part of wood, between the inner bark and the hard wood or duramen; sapwood. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z The portions which are obstructed constitute the duramen or heartwood, the pervious portion the alburnum or sapwood. The Church of England Magazine - Volume 10, No. 263, January 9, 1841 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. Seasoning of Wood 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. Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures 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. Putnam's Word Book It is distinguished from the harder inner and older wood, the duramen or heart-wood. The Project Gutenberg Encyclopedia Volume 1 of 28 The duramen or heartwood is the inner, darker part of the log. Seasoning of Wood |
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