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单词	frustum
释义	frustum noun frus·​tum ˈfrə-stəm  plural frustums or frusta ˈfrə-stə  : the basal part of a solid cone or pyramid formed by cutting off the top by a plane parallel to the base also : the part of a solid intersected between two usually parallel planes Example Sentences Recent Examples on the Web The case of the 24-Seconde Architecture is shaped like a convex conical frustum. Carol Besler, Robb Report, 5 July 2022 The EmDrive test device used by White and his colleagues was a copper frustum—a cone with its top lopped off—that was just under a foot long. Daniel Oberhaus, Wired, 8 May 2020 Word History Etymology New Latin, from Latin, piece, bit — more at bruise entry 2 First Known Use 1658, in the meaning defined above
随便看	carbonyler carbonylest carbonylic carbonyls carbora carborane carboras Carborundum carborundums carbos carbothermal carbothermic Carbowax carbox- carboxy- carboxyhemoglobins carboxyl carboxylase carboxylases carboxylate carboxylated carboxylates carboxylating carboxylation carboxylations

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。