(chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process. / Something that encourages progress or change.

plural of catalyst

(nonstandard) Serving as a catalyst; catalytic.

(organic chemistry) A solid phase-transfer catalyst, often in the form of beads, that catalyzes a reaction between a liquid and a gas

plural of Vandenberg catalyst

(organic chemistry) Any of a range of transition metal carbene complexes used to catalyse olefin metathesis

(chemistry) platinum dioxide, a dark brown powder that is a catalyst for hydrogenation and hydrogenolysis in organic synthesis

plural of Lindlar catalyst

(chemistry) A heterogeneous catalyst consisting of palladium deposited on calcium carbonate which is then poisoned with various forms of lead or sulphur. It is used for the hydrogenation of alkynes to alkenes.

Misspelling of Grubbs' catalyst.