valonia (plural valonias)
The European evergreen oak, Quercus macrolepis, now Quercus ithaburensis subsp. macrolepis, or Quercus aegilops.
The dried acorn cups of this tree, which are used to make a black dye, used in tanning.
• Lavonia, novalia
Source: Wiktionary
Va*lo"ni*a, n. Etym: [It. vallonia, vallonea, fr. NGr. balania`, balanidia`, the holm oak, bala`ni, balani`di, an acorn, Gr. ba`lanos.]
1. The acorn cup of two kinds of oak (Quercus macrolepis, and Q. vallonea) found in Eastern Europe. It contains abundance of tannin, and is much used by tanners and dyers.
2. Etym: [Perhaps named from its resemblance to an acorn.] (Bot.)
Definition: A genus of marine green algæ, in which the whole frond consists of a single oval or cylindrical cell, often an inch in length.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
