environment UK /ɪnˈvaɪ.ɹə.mənt/US /ɪnˈvaɪ.ɚn.mənt/ noun7 •The surroundings of, and influences on, a particular item of interest. •nature on the earth as a whole, with every living thing and the places where they live •All the elements that affect a system or its inputs and outputs. •A particular political or social setting, arena or condition. •The software or hardware existing on any particular computer system.That program uses the Microsoft Windows environment. •The environment of a function at a point during the execution of a program is the set of identifiers in the function's scope and their bindings at that point. •The set of variables and their values in a namespace that an operating system associates with a process. formsenvironments