英和和英

形容詞

quercous (not comparable)

1. Of, or relating to, trees in the genus Quercus of the plant family Fagaceae.
   • 1927, Bureau of Abstracts, British Abstracts: Series B, Part 2

     By the action of tannase on the tannin, a product ("quercous acid") is formed which can be reduced to ellagic acid.

   • 1994, Business Press, Textile Asia, Volume 25, Issues 1-6

     With a vast territory, China boasts fertile land and a wild climate favourable for mulberry growing and silkworm breeding. Its plentiful quercous woods can also be utilized for tussah breeding.

   • 1994, Ian Graham, Peter Kilduff, Textiles and clothing in China: current developments and future prospects

     In addition, quercous (oak-type) woods, suitable for tussah breeding, abound in many regions of the country and this type of silk is produced in at least 11 provinces.