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
Cost and durability represent the main obstacles to full commercialisation of proton exchange membrane fuel cell (PEMFC) technology for vehicles. An EU-funded project is developing suitable materials for high-performance PEMFCs with a long lifetime.