amidol

[ am-i-dawl, -dol ]

noun

, Chemistry.

1. a colorless, crystalline powder, C 6 H 8 N 2 O⋅2HCl, derived from phenol, used chiefly as a photographic developer.

Amidol

/ ˈæmɪdɒl /

noun

1. a grey to colourless soluble crystalline solid that is used as a photographic developer; 2,4-diaminophenol dihydrochloride. Formula: C 6 H 3 (NH 2 ) 2 (OH).2HCl

Word History and Origins

Origin of amidol¹

First recorded in 1890–95; amid- + -ol ¹

Example Sentences

With amidol a pure delicate black is easily obtainable, and it is moreover a very simple developer to use.

From Project Gutenberg

To each ounce of the above add, just before using, three grains of dry amidol.

From Project Gutenberg