bole

n. 樹幹

膠灰粘土

學術名詞

• 樹幹：林學、植物學
• 幹材：林學、土木工程
• 波勒：外國地名
• 紅玄武土：海洋地質學
• 膠塊土：海洋地質學
• 主幹：植物學

英文釋義

1. a soft oily clay used as a pigment (especially a reddish brown pigment)
2. the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber