A baseline is a line that is a base for measurement or for

construction Construction is a general term meaning the art and science of forming Physical object, objects, systems, or organizations."Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University P ...

. The word baseline may refer to: *

Baseline (configuration management) In Configuration Management, a baseline is an agreed description of the attributes of a product, at a point in time, which serves as a basis for defining change. A change is a movement from this baseline state to a next state. The identificatio ...

, the process of managing change *

Baseline (sea) A baseline, as defined by the United Nations Convention on the Law of the Sea, is the line along the coast from which the seaward limits of a state's territorial sea and certain other maritime zones of jurisdiction are measured, such as a state's ...

, the starting point for delimiting a coastal state's maritime zones **

Baselines of the Chinese territorial sea China declared its baselines for its maritime territory on 15 May 1996. The baselines were for the Chinese mainland and also for the Paracel (Xisha) Islands. The baselines for the mainland consist of a series of straight lines linking 49 basepoi ...

Baselines of Indonesia The territorial waters of Indonesia are defined according to the principles set out in Article 46 of the United Nations Convention on the Law of the Sea. Their boundary consists of straight lines ("baselines") linking 195 coordinate points locate ...

Baselines of the Philippines The baselines of the Philippines ( fil, mga batayang-guhit ng Pilipinas) are the set of geodesic lines completely encircling the Philippine archipelago from where the maritime entitlements of the country are measured from. It was first establishe ...

* Baseline, in

underwater diving Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on contex ...

, a value used to convert cylinder pressure of a tank to free gas volume *

Baseline (surveying) In surveying, a baseline is a line between two points on the earth's surface and the direction and distance between them. In a triangulation network, at least one baseline between two stations needs to be measured to calculate the size of the tr ...

, a line between two points of the earth's surface and the direction and distance between them *

Baseline (typography) In European and West Asian typography and penmanship, the baseline is the line upon which most letters ''sit'' and below which descenders extend. In the example to the right, the letter 'p' has a descender; the other letters sit on the (red ...

, the line upon which most letters "sit" and below which descenders extend *

Baseline (budgeting) Baseline budgeting is an accounting method the United States Federal Government uses to develop a budget for future years. Baseline budgeting uses current spending levels as the "baseline" for establishing future funding requirements and assumes ...

, an estimate of budget expected during a fiscal year *

Baseline (medicine) A baseline in science (including medicine) is the initial conditions found by observation and measurement at the beginning of a survey or clinical trial or which is used for comparison with later data collected during or after the survey or trial ...

, information found at the beginning of a study *

Baseline (pharmacology) A baseline in science (including medicine) is the initial conditions found by observation and measurement at the beginning of a survey or clinical trial or which is used for comparison with later data collected during or after the survey or trial ...

, a person's state of mind or being, in the absence of drugs * The

isoelectric line Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity. It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the hear ...

of an electrocardiogram * Baseline (interferometry), the length of an astronomical interferometer The name Baseline may refer to: * ''Baseline'' (magazine), a magazine devoted to typography, book arts, graphic design *

Baseline (database) Studio System by Gracenote, formerly known as Baseline StudioSystems, is an American e-commerce company. It was founded in 1982 and licenses its commercial entertainment database, known as Studio System. It is owned by Gracenote, a subsidiary o ...

, a TV and movie industry database * ''Baselines'' (album), the 1983 debut album of composer Bill Laswell *

Baseline Road (Arizona) Many arterial roads in the Phoenix metropolitan area have the same name in multiple cities or towns. Some roads change names or route numbers across town borders, resulting in occasional confusion. For example, the road known as Apache Boulevard ...

, a major east–west artery in Phoenix, Arizona *

Baseline Road (Colorado) Baseline Road is a major east-west street in Boulder, Colorado that extends east of the city through parts of four counties. The western terminus of Baseline Road is at Flagstaff Mountain in the City of Boulder Mountain Parks. The eastern term ...

, a major east–west artery in Boulder, Colorado *

Baseline Road (Ottawa) Baseline Road ( Ottawa Road #16) is a road in Ottawa Ottawa (, ; Canadian French: ) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario ...

, a major east–west artery in Ottawa, Ontario *

Baseline station Baseline is a public transit station directly across from the main campus of Algonquin College in Ottawa's west end, near the intersection of Woodroffe Avenue and Baseline Road. Many Algonquin College students and Centrepointe residents use thi ...

, a transitway station in Ottawa *

Base Line, Arkansas Base Line is a small community in Pulaski County, Arkansas, United States. Base Line is located in Southwest Little Rock ( The "Little Rock") , government_type = Council-manager , leader_title = Mayor , leader_name ...

Baseline Nunataks On the continent of Antarctica, the Aramis Range is the third range south in the Prince Charles Mountains, situated 11 miles southeast of the Porthos Range and extending for about 30 miles in a southwest–northeast direction. It was first visi ...

Baseline Rock Baseline Rock is an isolated rock lying between Nøst Island and the Flat Islands in Holme Bay, Mac. Robertson Land. It was mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936–37, and so named ...

It may also refer to: * The base line in baseball * The back line on a

tennis court A tennis court is the venue where the sport of tennis is played. It is a firm rectangular surface with a low net stretched across the centre. The same surface can be used to play both doubles and singles matches. A variety of surfaces can be ...

, and also a style of play in tennis; see

tennis strategy Players use different strategies while playing tennis to enhance their own strengths and exploit their opponent's weaknesses in order to gain the advantage and win more points. Players typically specialize or naturally play in a certain way, base ...

* The back line on a pickleball court * The end line on a

basketball court In basketball, the basketball court is the playing surface, consisting of a rectangular floor, with baskets at each end. Indoor basketball courts are almost always made of polished wood, usually maple, with -high rims on each basket. Outdoor sur ...

* A bassline in music * A

shifting baseline A shifting baseline (also known as a sliding baseline) is a type of change to how a system is measured, usually against previous reference points (baselines), which themselves may represent significant changes from an even earlier state of the syst ...

in statistics *

Baseline Killer Mark Goudeau (born September 6, 1964) is an American serial killer, kidnapper, thief and rapist. Goudeau terrorized victims in the Phoenix metro area between August 2005 and June 2006; coincidentally, Goudeau was active at the same time as two ...

, a serial killer who was active in the Phoenix metro area between August 2005 and June 2006

See also