e/Buffer gas

Information
has gloss	eng: A buffer gas is an inert or nonflammable gas. In the Earth's atmosphere, nitrogen acts as a buffer gas. A buffer gas adds pressure to a system and controls the speed of combustion with any oxygen present. Any inert gas such as helium, neon, or argon will serve as a buffer gas.
lexicalization	eng: buffer gas
instance of	(noun) a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely gas

Media
media:img	Buffer.JPG
media:img	Chem119.jpg