Separator can refer to: * A mechanical device to separate fluids and solids, like **

Cream separator A separator is a centrifugal device that separates milk into cream and skimmed milk. Separation was commonly performed on farms in the past. Most farmers milked a few cows, usually by hand, and separated milk. Some of the skimmed milk was cons ...

, separates cream from milk ** Demister (vapor), removal of liquid droplets entrained in a vapor stream **

Separator (oil production) The term separator in oilfield terminology designates a pressure vessel used for separating well fluids produced from oil and gas wells into gaseous and liquid components. A separator for petroleum production is a large vessel designed to separat ...

, of an oil production plant ** Vapor–liquid separator, separates a vapor–liquid mixture ** a machine used to produce

mechanically separated meat Mechanically separated meat (MSM), mechanically recovered/reclaimed meat (MRM), or mechanically deboned meat (MDM) is a paste-like meat product produced by forcing pureed or ground beef, pork, mutton, turkey or chicken under high pressure t ...

* The historic Swedish company name AB Separator, common ancestor of

Alfa Laval Alfa Laval AB is a Swedish company, founded in 1883 by Gustaf de Laval and Oscar Lamm. The company started by providing centrifuges to dairies to be used to separate cream from milk. It now deals in the production of specialised products ...

and

DeLaval DeLaval is a producer of dairy and farming machinery, with a head office in Tumba, Sweden, and is part of the Tetra Laval group. The company has 18 factories worldwide, employs over 4,500 people. History From the 1870s Gustaf de Laval (1845–19 ...

* Air classifier, a mechanical device to separate components of air * Community separator, a term of urban planning * Separator (electricity), a porous or ion-conducting barrier used to separate anode and cathode in electrochemical systems, also known as diaphragm *

Planar separator theorem In graph theory, the planar separator theorem is a form of isoperimetric inequality for planar graphs, that states that any planar graph can be split into smaller pieces by removing a small number of vertices. Specifically, the removal of vertic ...

, a theorem in graph theory **

Vertex separator In graph theory, a vertex subset is a vertex separator (or vertex cut, separating set) for nonadjacent Vertex (graph theory), vertices and if the Graph partition, removal of from the Graph (discrete mathematics), graph separates and into d ...

, a notion in graph theory * Geometric separator, a line that separates a set of geometric shapes to two subsets * A synonym for " generator" in category theory * A mathematical sign used to separate the integer part from the fractional part of a number. For example, the

decimal point FIle:Decimal separators.svg, alt=Four types of separating decimals: a) 1,234.56. b) 1.234,56. c) 1'234,56. d) ١٬٢٣٤٫٥٦., Both a comma and a full stop (or period) are generally accepted decimal separators for international use. The apost ...

and the

binary point alt=Four types of separating decimals: a) 1,234.56. b) 1.234,56. c) 1'234,56. d) ١٬٢٣٤٫٥٦., Both a full_stop.html" ;"title="comma and a full stop">comma and a full stop (or period) are generally accepted decimal separators for interna ...

* A synonym for "

delimiter A delimiter is a sequence of one or more Character (computing), characters for specifying the boundary between separate, independent regions in plain text, Expression (mathematics), mathematical expressions or other Data stream, data streams. An ...

" in computer parlance *

Orthodontic spacer Orthodontic separators (also known as spacers) are rubber bands or metal appliances used in orthodontics. Spacers are placed between the Molar (tooth), molars at the second orthodontic appointment before molar bands are applied. They are usually ad ...

, also known as orthodontic separators * Four of the

C0 and C1 control codes The C0 and C1 control code or control character sets define control codes for use in text by computer systems that use ASCII and derivatives of ASCII. The codes represent additional information about the text, such as the position of a cursor, ...

used in digital character encoding * A song by

Radiohead Radiohead are an English rock band formed in Abingdon-on-Thames, Abingdon, Oxfordshire, in 1985. The band members are Thom Yorke (vocals, guitar, piano, keyboards); brothers Jonny Greenwood (guitar, keyboards, other instruments) and Colin Gre ...

, off the 2011 album

The King of Limbs ''The King of Limbs'' is the eighth studio album by the English rock band Radiohead. It was self-released on 18 February 2011 as a download, followed by a physical release on 28 March through XL Recordings internationally and TBD Records in Nor ...

* In computing, a

Printer separator In computing, spooling is a specialized form of multi-programming for the purpose of copying data between different devices. In contemporary systems, it is usually used for mediating between a computer application and a slow peripheral, such a ...

to flag the start and end of jobs on a printer

See also