Verdigris



GRE Barron

解释

GRE 红宝书

• n.铜锈, 铜绿
• ［英］ n.铜锈, 铜绿 ( a green or greenish blue poisonous pigment resulting from the action of acetic acid on copper)
• ［记］ verdi ( 绿色) +gris ( =grey) -> 灰绿色 -> 铜绿

Webster Collegiate

noun

• Etymology: Middle English vertegrese, from Anglo-French verdegrece, vert de Grece, literally, green of Greece
• Date: 14th century
• 1.
  • a. a green or greenish-blue poisonous pigment resulting from the action of acetic acid on copper and consisting of one or more basic copper acetates
  • b. normal copper acetate Cu(C［sub］2［/sub］H［sub］3［/sub］O［sub］2［/sub］)［sub］2［/sub］?H［sub］2［/sub］O
• 2. a green or bluish deposit especially of copper carbonates formed on copper, brass, or bronze surfaces

---