HEARTWOOD


Meaning of HEARTWOOD in English

n.

Pronunciation: - ˌ wu ̇ d

Function: noun

Date: 1810

: the older harder nonliving central wood of trees that is usually darker, denser, less permeable, and more durable than the surrounding sapwood

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.