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单词 quercitron
释义

Definition of quercitron in English:

quercitron

noun ˈkwəːsɪtr(ə)n

  • 1The inner bark of the American black oak, Quercus velutina, used as a source of the yellow dye quercitrin and in tanning (more fully "quercitron bark").

  • 2More fully "quercitron oak". The black oak, Quercus velutina, of eastern North America. Now rare.

Origin

Late 18th century; earliest use found in Statute 32 George III. Blend of quercine and citron adjective.

Definition of quercitron in US English:

quercitron

nounˈkwəːsɪtr(ə)n

  • 1The inner bark of the American black oak, Quercus velutina, used as a source of the yellow dye quercitrin and in tanning (more fully "quercitron bark").

  • 2More fully "quercitron oak". The black oak, Quercus velutina, of eastern North America. Now rare.

Origin

Late 18th century; earliest use found in Statute 32 George III. Blend of quercine and citron [adjective].
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更新时间：2025/6/19 12:13:22