Real Dictionary

environment
a part of a railway, road, etc, that slopes upwards or downwards; inclination [...]
an event, experience, etc, that causes stress [...]
composed of unrelated or differing parts or elements [...]
external conditions or surroundings, esp those in which people live or work [...]
something that is subject to variation [...]
special emphasis or significance attached to something [...]
the act of exposing or the condition of being exposed [...]
to increase the wealth of [...]
Your environment consists of the particular natural surroundings in which you live or exist, considered in relation to their physical characteristics or weather conditions.
singular noun: The environment is the natural world of land, sea, air, plants, and animals.
variable noun: Someone's environment is all the circumstances, people, things, and events around them that influence their life.