1 Audio Player. 2  Kefalovâs team developed this adapter that allowed scientists to analyze retinal cells and photopigment molecules as they were exposed to infrared light. The device already is commercially available and in use at several vision research centers around the world.
Definition of environment: The sum total of all surroundings of a living organism, including natural forces and other living things, which provide conditions for development and growth as well as of danger and damage. See ...
Learner's definition of ENVIRONMENT. 1. : the conditions that surround someone or something : the conditions and influences that affect the growth, health, progress, etc., of someone or something. [count] He grew up in a loving environment. an informal office environment. We're trying to create a better business/learning environment.