Meaning

noun (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction

originEtymology tree English sensitive Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English sensitize Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic…

Etymology from Wiktionary, CC BY-SA 3.0