duramen

du·ra·men

 (do͝o-rā′mən, dyo͝o-)

n. Botany

See heartwood.

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[Latin dūrāmen, hard growth of a vine, from dūrāre, to harden, from dūrus, hard; see deru- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

duramen

(djʊˈreɪmɛn)

n

(Botany) another name for heartwood

[C19: from Latin: hardness, from dūrāre to harden]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

heart•wood

(ˈhɑrtˌwʊd)

n.

the dense, dark, nonfunctioning older wood at the core of a tree trunk; duramen.

[1795–1805]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

duramen - the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood heartwood tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms wood - the hard fibrous lignified substance under the bark of trees

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