integratorPronunciation: /ˈɪntɪgreɪtə/Definition of integrator noun a person or thing that integrates, in particular: (also system integrator or systems integrator) Computing a company which markets commercial integrated software and hardware systems. Electronics a computer chip or circuit which performs mathematical integration. an instrument for indicating or registering the total amount or mean value of a physical quality such as area or temperature. integrator in other Oxford dictionaries Definition of integrator in the US English dictionary