Breadcrumb Home > Thesaurus > H Synonyms of heartwood Find synonyms for: Noun 1. heartwood, duramen, wood usage: the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of heartwood (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language