countermark / noun ˈkaʊn tərˌmɑrk; verb ˌkaʊn tərˈmɑrk /

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countermark 的 2 个定义

n. 名词 noun
  1. Also called counterstamp. a sign or device stamped on a coin after its minting.
v. 有主动词 verb
  1. to stamp with a countermark; counterstamp.