毒どく性せい学がくMeaningsNoun1. toxicologyKanji used毒poison性nature (of a person)学studyPitch accentどくせいがくComposed of毒どく性せいtoxicity; virulence; toxic; virulent; poisonousNoun学がくlearning; scholarship; study; erudition; knowledge; education; study of ...; -ology; -icsNoun