calotype

[ kal-uh-tahyp ]
/ ˈkæl əˌtaɪp /

noun

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.
a print made by this process.

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Also called Talbotype.

Origin of calotype

1835–45; <Greek kalo- (combining form of kalós beautiful) + -type
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for calotype

British Dictionary definitions for calotype

calotype
/ (ˈkæləʊˌtaɪp) /

noun

an early photographic process invented by W. H. Fox Talbot, in which the image was produced on paper treated with silver iodide and developed by sodium thiosulphite
a photograph made by this process

Word Origin for calotype

C19: from Greek kalos beautiful + -type
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012