An environment which is artificially regulated to ensure conditions such as temperature, air quality, etc., remain stable; the condition or state of such an environment.
Origin
Early 20th century; earliest use found in Journal of Heredity.
Definition of controlled environment in US English:
controlled environment
noun
An environment which is artificially regulated to ensure conditions such as temperature, air quality, etc., remain stable; the condition or state of such an environment.
Origin
Early 20th century; earliest use found in Journal of Heredity.