Definitions
1.nounThe surroundings of, and influences on, a particular item of interest.
2.nounThe natural world or ecosystem.
3.nounAll the elements that affect a system or its inputs and outputs.
4.nounA particular political or social setting, arena or condition.
5.nounThe software and/or hardware existing on any particular computer system."That program uses the Microsoft Windows environment."
6.nounThe 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.
7.nounThe set of variables and their values in a namespace that an operating system associates with a process.