Logwood
[lɒgwud]
Definition
(noun.) spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dye.
(noun.) very hard brown to brownish-red heartwood of a logwood tree; used in preparing a purplish red dye.
Edited by Joanne--From WordNet
Definition
(n.) The heartwood of a tree (Haematoxylon Campechianum), a native of South America, It is a red, heavy wood, containing a crystalline substance called haematoxylin, and is used largely in dyeing. An extract from this wood is used in medicine as an astringent. Also called Campeachy wood, and bloodwood.
Editor: Miles
Synonyms and Synonymous
n. Campeachy wood.
Edited by Lilian
Examples
- A good black ink can be made by boiling 3 pounds of logwood with sufficient water to leave a residue of 5 quarts. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
- Boil the logwood for 30 minutes in a gallon of water, and then add the copperas and lampblack. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
- Boil the logwood with the water, add the acid and potash, and lastly the dextrine. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
- For example, with alum and oxalic acid as a mordant and logwood as a dye, blue is obtained; but with a mordant of ferric sulphate and a dye of logwood, blacks and grays result. Bertha M. Clark. General Science.
Edited by Laurence