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*Date: [http://en.wikipedia.org/wiki/19th_Century 1882]
*Date: [https://en.wikipedia.org/wiki/19th_Century 1882]
==Definitions==
==Definitions==
*1 : a surface forming a common boundary of two bodies, spaces, or phases <an oil-water interface>
*1 : a surface forming a common boundary of two bodies, spaces, or phases <an oil-water interface>
:b : the means by which interaction or communication is achieved at an interface
:b : the means by which interaction or communication is achieved at an interface
==Description (Chemistry)==
==Description (Chemistry)==
An '''interface''' is a [[surface]] forming a common [[boundary]] among two different [[phases]], such as an insoluble solid and a liquid, two immiscible liquids or a liquid and an insoluble gas. The importance of the interface depends on which type of [[system]] is being treated: the bigger the quotient area/volume, the more [[effect]] the surface [[phenomena]] will have. Therefore interfaces will be considered in [[systems]] with big area/volume ratios, such as [http://en.wikipedia.org/wiki/Colloid colloids].
An '''interface''' is a [[surface]] forming a common [[boundary]] among two different [[phases]], such as an insoluble solid and a liquid, two immiscible liquids or a liquid and an insoluble gas. The importance of the interface depends on which type of [[system]] is being treated: the bigger the quotient area/volume, the more [[effect]] the surface [[phenomena]] will have. Therefore interfaces will be considered in [[systems]] with big area/volume ratios, such as [https://en.wikipedia.org/wiki/Colloid colloids].
Interfaces can be [[Sphere|spherical]] or flat, so they can be considered to be always spherical with [[finite]] or [[infinite]] radius. For example oil droplets in a salad dressing are spherical but the interface between water and air in a glass of water is mostly flat.
Interfaces can be [[Sphere|spherical]] or flat, so they can be considered to be always spherical with [[finite]] or [[infinite]] radius. For example oil droplets in a salad dressing are spherical but the interface between water and air in a glass of water is mostly flat.
