PYROGALLOLS
Scrabble letter values: P3Y4R1O1G2A1L1L1O1L1S1 = 17
Definition
PYROGALLOLS is the plural of PYROGALLOL.
noun PYROGALLOL: a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer.
Synonyms of PYROGALLOL: pyrogallic_acid