plumbagos

英[plʌm'beɪgəʊ] 美[plʌm'beɪgoʊ]
  • n.石墨粉(炭精)
plumbagos
Noun:
  1. used as a lubricant and as a moderator in nuclear reactors

  2. any plumbaginaceous plant of the genus Plumbago

    用作名词 (n.)
    1. Later Thoreau converted the factory to producing plumbago, used to ink typesetting machines.
      随后梭罗让工厂转换生产适用于油墨排版机的石墨粉。