English-Thai Dictionary
pyrogallol
N สารพิษ ที่ ได้ จาก การสลายตัว gallic acid
Webster's 1913 Dictionary
PYROGALLOL
Pyr `o *gal "lol, n. Etym: [Pyrogallic + -ol.] (Chem. )
Defn: A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes.
New American Oxford Dictionary
pyrogallol
py ro gal lol |ˌpīrōˈgalˌôl, -ˌōl ˌpaɪroʊˈɡælɔl | ▶noun Chemistry a weakly acid crystalline compound chiefly used as a developer in photography. [Alternative name: 1,3,5-trihydroxybenzene; chem. formula: C 6 H 3 (OH ) 3. ]
Oxford Dictionary
pyrogallol
pyrogallol |ˌpʌɪrə (ʊ )ˈgalɒl | ▶noun [ mass noun ] Chemistry a weakly acid crystalline compound chiefly used as a developer in photography. Also called pyrogallic acid. ●Alternative name: 1,3,5-trihydroxybenzene; chem. formula: C 6 H 3 (OH ) 3.
Duden Dictionary
Pyrogallol
Py ro gal lol Substantiv, Neutrum , das |Pyrogall o l |das Pyrogallol; Genitiv: des Pyrogallols griechisch ; lateinisch ; arabisch dreiwertiges aromatisches Phenol, das u. a. als fotografischer Entwickler verwendet wird
The Wordsmith Dictionary