knoppern

名词 n.
中文释义

英文释义

名词 n.
  1. A kind of gall (blister on a plant) produced by a gallfly on the cup of an acorn, and formerly used in tanning and dyeing. archaic,plural,plural-only

词形变化

knoppern canonical knoppern canonical,plural knopperns plural

词源

Compare German Knopper. See knop.
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