dɪˈskʌʃən ɪntɚˈvɛnʃən ɪntəˈvɛnʃən ˈθɛɹ.ə.pi ˈtɹiːtmənt care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury) (medicine) the act of caring for someone (as by medication or remedial training etc.) the quarterback is undergoing treatment for a knee injury he tried every treatment the doctors suggested heat therapy gave the best relief the management of someone or something the handling of prisoners the treatment of water sewage the right to equal treatment in the criminal justice system a manner of dealing with something artistically his treatment of space borrows from Italian architecture an extended communication (often interactive) dealing with some particular topic the book contains an excellent discussion of modal logic his treatment of the race question is badly biased