Farmer's reducer

[ fahr-merz ]

noun

, Photography.

1. a solution of ferricyanide and hypo for reducing density and increasing contrast in a negative.

Word History and Origins

Origin of Farmer's reducer¹

Named after E. H. Farmer (died 1944), English photographer

Example Sentences

The prints require to be well washed and free from hypo before being placed in the bromide-ferricyanide bleacher, because any hypo in conjunction with the ferricyanide will form the well-known Farmer’s reducer, and cause patchiness of the prints.

From Project Gutenberg