Home/heptanoneheptanone/hep-tuh-nohn/US // ˈhɛp təˌnoʊn //庚酮,庚烷酮,庚酮类,庚烷醇Definitionsn.名词 noun1 Chemistry.: any of three isomeric ketones, C11H14O, derived from heptane. Level 3Browse all words →