Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A colorless crystalline compound, C6H3(NH2)2OH·2HCl, used as a photographic developer.

from the GNU version of the Collaborative International Dictionary of English

  • n. A salt of a diamino phenol, C6H3(OH)(NH2)2, used as a developer.

from The Century Dictionary and Cyclopedia

  • n. A trade-name for the hydrochlorid of diaminophenol, used as a developer in photography. Its formula is C6H3OH(NH2)2.2HCl. The free base is unstable.

Etymologies

Originally a German trademark.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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