The meaning of the Acronym IUPAC is...

IUPAC is

• International Union of Pedantic and Annoying Chemists

More Meanings For IUPAC:

• International Union of Pure and Applied Chemistry
• International Union of Pure and Applied Chemistry
• International Union of Pure and Applied Chemistry
• International Union of Pedantic and Annoying Chemists

IUPAC is also in:

• Chemistry
• FDA
• Funnies
• Professional Organizations