Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
Henry Drummond: Language is a poor enough means of communication. I think we should use all the words we've got. Besides, there are damned few words that anybody understands!
Inherit the Wind (1960 film), Jerome Lawrence and Robert Edwin Lee
EU-funded scientists successfully developed a system that generates electricity from low-temperature waste heat ranging from 60 to 120 °C. Harnessing low-grade heat should help to significantly mitigate the negative environmental impact of industrial plants.