Meaning of developing tank in English:

developing tank

See synonyms for developing tank

noun

  • 1A lightproof container used for developing film, in which the film, plate, etc., is exposed to developing solution.

  • 2(In thin layer and paper chromatography) a container in which a plate or sheet of paper to which a mixture to be separated has been applied is exposed to a solvent.

Origin

Mid 19th century.