Ground may refer to:

Geology

Land Land, also known as dry land, ground, or earth, is the solid terrestrial surface of the planet Earth that is not submerged by the ocean or other bodies of water. It makes up 29% of Earth's surface and includes the continents and various islan ...

, the surface of the Earth not covered by water *

Soil Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former te ...

, a mixture of clay, sand and organic matter present on the surface of the Earth

Electricity

Ground (electricity) In electrical engineering, ground or earth is a reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth. Electrical circuits may be conne ...

, the reference point in an electrical circuit from which voltages are measured *

Earthing system An earthing system (UK and IEC) or grounding system (US) connects specific parts of an electric power system with the ground, typically the Earth's conductive surface, for safety and functional purposes. The choice of earthing system can affec ...

, part of an electrical installation that connects with the Earth's conductive surface *

Ground and neutral Ground and neutral are circuit conductors used in alternating current electrical systems. The ground circuit is connected to earth, and neutral circuit is usually connected to ground. As the neutral point of an electrical supply system is often ...

, closely related terms

Law

* Ground (often grounds), in

law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its precise definition a matter of longstanding debate. It has been vario ...

, a rational motive or basis for a belief, conviction, or action taken, such as a legal action or argument: *

Grounds for divorce Grounds for divorce are regulations specifying the circumstances under which a person will be granted a divorce. Adultery is the most common grounds for divorce. However, there are countries that view male adultery differently than female adultery ...

, regulations specifying the circumstances under which a person will be granted a divorce

Music

* ''Ground'' (album), the second album by the Nels Cline Trio * "Ground" (song), one of the songs in the debut album of the Filipino rock band

Rivermaya Rivermaya is a Filipino alternative rock band. Formed in 1994, it is one of the several bands who spearheaded the 1990s Philippine alternative rock explosion. Rivermaya is currently composed of original members Mark Escueta and Nathan Azarcon ...

Ground bass In music, an ostinato (; derived from Italian word for ''stubborn'', compare English ''obstinate'') is a motif or phrase that persistently repeats in the same musical voice, frequently in the same pitch. Well-known ostinato-based pieces include ...

, in music, a bass part that continually repeats, while the melody and harmony over it change * ''

The Ground ''The Ground'' (released 31 January 2005 in Germany on the label ECM Records, ECM CM 1892 is an album by Norwegian jazz pianist and composer Tord Gustavsen, recorded in 2004. Reception "Melancholia is marvellous – and quiet," stated ''Th ...

'', a 2005 album by Norwegian jazz pianist Tord Gustavsen

Other

Coffee grounds Coffee preparation is the process of turning coffee beans into a beverage. While the particular steps vary with the type of coffee and with the raw materials, the process includes four basic steps: raw coffee beans must be roasted, the roaste ...

, ground up coffee beans *

Ground tissue The ground tissue of plants includes all tissues that are neither Epidermis (botany), dermal nor Vascular tissue, vascular. It can be divided into three types based on the nature of the cell walls. # Parenchyma cells have thin primary walls and ...

, one of the three types of tissue systems in a plant *

Ground term In mathematical logic, a ground term of a formal system is a term that does not contain any variables. Similarly, a ground formula is a formula that does not contain any variables. In first-order logic with identity, the sentence Q(a) \lor P(b) ...

, in symbolic logic, a term with no variables *

Ground (unit) A ground is a unit of area used in India approximately equal to . After metrication in the mid-20th century, the unit is being phased out. However, it is still popular in Real Estate parlance. One ground is commonly taken as 2400 square feet and ap ...

, a unit of area used in India *

Ground (Dzogchen) In Dzogchen, the ground or base () is the primordial state. It is an essential component of the Dzogchen tradition for both the Bon tradition and the Nyingma school of Tibetan Buddhism. Knowledge of this ''ground'' is called ''rigpa''. Explicati ...

, the primordial state in Dzogchen * Ground surface, often on metals, created by various

grinding operations Grinding is a type of abrasive machining process which uses a grinding wheel as cutting tool. A wide variety of machines are used for grinding, best classified as portable or stationary: * Portable power tools such as angle grinders, die grind ...

Ground (cricket) In cricket, a ground is a location where cricket matches are played, comprising a cricket field, cricket pavilion and any associated buildings and amenities. A batter's ground is the area behind the popping crease at their end of the pitch. It ...

, where cricket games are played, and also part of the playing area.

Geology

Electricity

Law

Music

Other

See also