Definition of Aleppo gall in English:

Aleppo gall

Line breaks: Aleppo gall

noun

  • A hard nut-like gall that forms on some varieties of oak in response to the developing larva of a gall wasp. It is used as a source of gallic acid and tannin. Also called nutgall.
    • The wasp is Cynips quercusfolii, family Cynipidae
    More example sentences
    • In that year, more than 550,000 pounds of Aleppo galls were imported from Turkey.
    • The main constituents of Aleppo galls are 50 to 70 per cent of gallotannic acid, 2 to 4 per cent of gallic acid, mucilage, sugar, resin and an insoluble matter called lignin.
    • Oak galls, primarily Aleppo galls or Mecca Galls imported from Turkey contain 50 to 70% gallotannic acid and were a major source of gallic and tannic acid used in tanning and dyeing.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody