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单词 calotype
释义 calotype
 /kal"euh tuyp'/,  n.  
  1. an early negative-positive photographic process, patented by William Henry Talbot in 1841, in which a paper negative is produced and then used to make a positive contact print in sunlight.
  2. a print made by this process. Also called Talbotype.
 [1835-45; < Gk kalo- (comb. form of kalós beautiful) + -TYPE]
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