noun
: a paper (as the silk-fibered paper of the United States currency or the watermarked paper of Bank of England notes) difficult to duplicate or so made that erasures or changes in matter written or printed on it are readily detectable
noun
: a paper (as the silk-fibered paper of the United States currency or the watermarked paper of Bank of England notes) difficult to duplicate or so made that erasures or changes in matter written or printed on it are readily detectable
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012