TOP

Definition of heartwood noun from the Oxford Advanced Learner's Dictionary

heartwood

noun

/ˈhɑːtwʊd/

/ˈhɑːrtwʊd/

[uncountable]

jump to other results

the hard older inner layers of the wood of a tree compare sapwood

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

See heartwood in the Oxford Advanced American Dictionary

Check pronunciation: heartwood

Nearby words

verb

From the Word list

OPAL written words

Oxford Learner's Dictionaries Word of the Day