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
2.
a photograph made by this process
Word origin
C19: from Greek kalos beautiful + -type
calotype in American English
(ˈkæləˌtaip)
noun
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
Word origin
[1835–45; ‹ Gk kalo- (comb. form of kalós beautiful) + -type]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: catch-up, communism, hybridize, protein, squeegee-type is a suffix representing type (prototype), esp. in names of photographic processes (ferrotype). Other words that use the affix -type include: ferrotype, genotype, ivorytype, monotype, stereotype