【机】 attrition of catalyst
activator; catalyzer
【计】 catalyst
【化】 catalyst; catalyzator; catalyzer
【医】 accelerant; catalyst; catalytic agent; catalyzator; catalyzer
contact substance
【化】 abrasion; abrasion and wear; erosion
【医】 abrasio; abrasion; arrosion; attrition; detrition