- acorn cups of an Old World oak, Quercus macrolepis (or Q. aegilops), used in tanning, dyeing, and making ink.
Origin of valonia
1715–25; < Italian vallonia < Modern Greek balánia, plural of baláni acorn
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for valonia
There are several grades of valonia, the best going to Russia, Austria, and Italy.
Oak bark and valonia contain some of the properties of both classes of tannins.
Greek valonia is greyer in colour, and contains 26 % to 30 % of tannin.
Greek valonia is obtained from many parts of the Archipelago and mainland.Animal Proteins
Hugh Garner Bennett
Valonia was first used in England about the beginning of this century.
- the acorn cups and unripe acorns of the Eurasian oak Quercus aegilops, used in tanning, dyeing, and making ink
C18: from Italian vallonia, ultimately from Greek balanos acorn