One of the mysteries of the English language finally explained.
1A vegetable extract containing tannin, especially one obtained from the heartwood of an Indian acacia tree, used for tanning and dyeing.
- ‘Nair et al. first demonstrated that aqueous extracts of areca nut and catechu were capable of generating superoxide anion and hydrogen peroxide at pH > 9.5.’
- ‘It consists of a dried paste that often includes tobacco, areca nuts, catechu, and scent or flavoring.’
- ‘Gutkha is a mixture of areca, catechu, betel nut, lime, tobacco and mint.’
- ‘Extracts of areca catechu, rhus coppallina, diospyros virginiana, sassafrass albidium, and chenopodium ambrosiodes were found to produce tumors in rats.’
- ‘Sprinkle on a little burnt lime with some catechu gum of a Malayan acacia tree and add a touch of nutmeg and cardamom for flavor.’
- 1.1another term for gambier
Late 17th century: modern Latin, from Malay kacu. Compare with cachou.
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