noun
Meaning 1
A mixture of sodium thiosulfate with the bleaching agent potassium ferricyanide, used to reduce the density of a negative or gelatin silver print.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: arts, hobbies, lifestyle, photography
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided