methylene blue: a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
prix de rome: an annual prize awarded by the French government in a competition of painters and artists and sculptors and musicians and architects; the winner in each category receives support for a period of study in Rome