(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.

(chemistry) An aluminoxane, prepared from an alkyl-aluminium and water, used as a catalyst in the manufacture of polyether elastomers.

(chemistry) a catalyst that preferentially catalyses the formation of one of a pair of stereoisomers, or one of a set of stereoisomeric polymers

(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

plural of stereospecific catalyst

plural of triphase catalyst

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