tetrachlorophenolphthalein
English edit
Etymology edit
tetra- + chloro- + phenolphthalein
Noun edit
tetrachlorophenolphthalein (countable and uncountable, plural tetrachlorophenolphthaleins)
- (organic chemistry) Any tetrachloro derivative of phenolphthalein, but especially 4,5,6,7-tetrachlorophenolphthalein