单词	calotype
释义	calotype /ˈkalətʌɪp / (also calotype process) noun [mass noun] historical An early photographic process in which negatives were made using paper coated with silver iodide.A year later William Henry Fox Talbot, the inventor of the calotype process, the forerunner of photography as we know it today, made a series of representations of city views and buildings.... These experiments led him to develop the calotype process, and the production, in 1835, of the first ever negative, a picture of the Oriel window at Lacock. His technique was called calotype. Origin Mid 19th century: from Greek kalos 'beautiful' + type.
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