In art

Art

Art is the product or process of deliberately arranging items in a way that influences and affects one or more of the senses, emotions, and intellect....

, watermedia is the general term for media that are distinguished from oil

Oil paint

Oil paint is a type of slow-drying paint that consists of particles of pigment suspended in a drying oil, commonly linseed oil. The viscosity of the paint may be modified by the addition of a solvent such as turpentine or white spirit, and varnish may be added to increase the glossiness of the...

 or other media by being diluted with water

Water

Water is a chemical substance with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state . Water also exists in a...

 when used. Watermedia include watercolours, gouache

Gouache

Gouache[p], also spelled guache, the name of which derives from the Italian guazzo, water paint, splash or bodycolor is a type of paint consisting of pigment suspended in water. A binding agent, usually gum arabic, is also present, just as in watercolor...

 and acrylic

Acrylic paint

Acrylic paint is fast drying paint containing pigment suspension in acrylic polymer emulsion. Acrylic paints can be diluted with water, but become water-resistant when dry...

, amongst others. It is sometimes combined with other media, commonly collage.

There are some unusual examples of watermedia being diluted with Coca-Cola

Coca-Cola

Coca-Cola is a carbonated soft drink sold in stores, restaurants, and vending machines in more than 200 countries. It is produced by The Coca-Cola Company of Atlanta, Georgia, and is often referred to simply as Coke...

, Diet Coke

Diet Coke

Diet Coke is a sugar-free soft drink produced and distributed by The Coca-Cola Company. It was first introduced in the United States on August 9, 1982, as the first new brand since 1886 to use the Coca-Cola trademark...

 or tequila

Tequila

Tequila is a spirit made from the blue agave plant, primarily in the area surrounding the city of Tequila, northwest of Guadalajara, and in the highlands of the western Mexican state of Jalisco....

http://www.artbreak.com/forums/4/topics/396 instead of water, and painter Johnny O'Brady has "added tea to [his] brush water".http://www.johnnyobrady.com

There are a number of Watermedia societies.

Watermedia are obviously to be distinguished from the company offering customized labels on bottled water.http://www.watermedia.co.uk/