acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction; "of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"
distribute according to a plan or set apart for a special purpose; "I am allocating a loaf of bread to everyone on a daily basis"; "I'm allocating the rations for the camping trip"