資料來源 : pyDict

觸媒劑

資料來源 : WordNet®

catalyst
     n 1: (chemistry) a substance that initiates or accelerates a
          chemical reaction without itself being affected [syn: {accelerator}]
          [ant: {anticatalyst}]
     2: something that causes an important event to happen; "the
        invasion acted as a catalyst to unite the country"