medium an intervening substance through which signals can travel as a means for communication
setting,
scene the context and environment in which something is set; "the perfect setting for a ghost story"
element the most favorable environment for a plant or animal; "water is the element of fishes"
habitat,
home ground the type of environment in which an organism or group normally lives or occurs; "a marine habitat"; "he felt safe on his home grounds"
melting pot an environment in which many ideas and races are socially assimilated
surroundings -
All parts of the universe that are not within the thermodynamicsystem of interest.
OmegaWiki Dictionary
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surroundings The complex of physical, chemical, and biotic factors that surround and act upon a specific organism or upon a specific group of organisms.
surroundings The area or region around something; that which surrounds; the vicinity.