| 释义 |
Definition of alburnum in English: alburnumnoun alˈbəːnəm another term for sapwood Example sentencesExamples - The annual rings are thinner compared to the alburnum.
- It often happens after the circle of bark has been removed, a small portion of the inner bark adheres to the alburnum.
- In some trees a difference in color exists between the outer part of the wood, the sapwood or alburnum, and the inner part, the heartwood or duramen.
- When dried in open air, alburnum and duramen turn reddish brown.
- The wood, used for medicinal purposes, consists of turnings from the workshop of the turner, and is a uniform mixture of the alburnum and duramen, but that used in medicine should consist only of the latter.
Origin Mid 17th century: from Latin, from albus 'white'. |