1) Black catechu 2) Extract 3) Formerly used medicinally 4) Infusion 5) Source of black catechu
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https://www.crosswordclues.com/clue/catechu
Catechu (uː or uː) is an extract of Acacia used variously as a food additive, astringent, tannin, and dye. It is extracted from several species of Acacia, but especially Acacia catechu, by boiling the wood in water and evaporating the resulting brew. It is also known as cutch, black cutch, cachou, cashoo, khoyer, terra Japonica, or Japan earth, ...
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http://en.wikipedia.org/wiki/Catechu
• (n.) A dry, brown, astringent extract, obtained by decoction and evaporation from the Acacia catechu, and several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It is also known by the names terra japonica, cutch, gambier, etc.
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http://thinkexist.com/dictionary/meaning/catechu/
(from the article `Davy, Sir Humphry, Baronet`) ...became important social functions and added greatly to the prestige of science and the institution. In 1802 he became professor of chemistry. His ...
Found on
http://www.britannica.com/eb/a-z/c/36
Cat'e·chu noun [ See
Cashoo .]
(Chemistry) A dry, brown, astringent extract, obtained by decoction and evaporation from the
Acacia catechu , and several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It i...
Found on
http://www.encyclo.co.uk/webster/C/36
[
n] - East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods
Found on
http://www.webdictionary.co.uk/definition.php?query=catechu
noun East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.
