nut·gall 
(nŭtgôl′)
(nŭtgôl′)n.
A nutlike gall. Nutgalls on certain oak trees were formerly used as a source of tannic acid for making ink and dye. Also called gallnut.
| 单词 | nutgall |
| 释义 | nut·gall (nŭtgôl′)n. A nutlike gall. Nutgalls on certain oak trees were formerly used as a source of tannic acid for making ink and dye. Also called gallnut. |
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