Sinhala Dictionary definitions for heartwood
heartwood 🔊 /hɑˈɹtwʊˌd/
heartwood : අරටුව
heartwood definition
Noun. The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It is technically known as duramen, and distinguished from the softer sapwood or alburnum.