AMIDOL Definition & Meaning

amidol

[ am-i-dawl, -dol ]

Phonetic (Standard)IPA

noun

Chemistry.

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

Amidol

/ ˈæ��ɪ��ɒ�� /

noun

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

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�y��vlog History and Origins

Origin of amidol¹

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

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Example Sentences

Examples have not been reviewed.

An excellent developer which must be used freshly mixed, and may be made up in a moment, is as follows: Take 1½ ounces of a 25 per cent solution of sodium sulphite; dry amidol, 30 grains; 5 to 10 drops of a 10 per cent solution of potassium bromide, and dilute with 4½ ounces of water.

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We needed not only the essential bulk chemicals, such as amidol, metol, para-amidophenol, and glycine, but also certain rarer substances, such as the photographic sensitisers, which were so essential for the Air Force.

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