Division or divider may refer to:

Mathematics

Division (mathematics) Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication. At an elementary level the division of two natural number ...

, the inverse of multiplication * Division algorithm, a method for computing the result of mathematical division

Military

Division (military) A division is a large military unit or Formation (military), formation, usually consisting of between 6,000 and 25,000 soldiers. In most armies, a division is composed of several regiments or brigades; in turn, several divisions typically mak ...

, a formation typically consisting of 10,000 to 25,000 troops **Divizion, a subunit in some militaries *Division (naval), a collection of warships

Science

*Cell division, the process in which biological cells multiply *Continental divide, the geographical term for separation between watersheds *Division (biology), used differently in botany and zoology *Division (botany), a taxonomic rank for plants or fungi, equivalent to phylum in zoology *Division (horticulture), a method of vegetative plant propagation, or the plants created by using this method * Division, a medical/surgical operation involving cutting and separation, see ICD-10 Procedure Coding System

Technology

*Beam compass, a compass with a beam and sliding sockets for drawing and dividing circles larger than those made by a regular pair of compasses *Divider caliper or compass, a Calipers, caliper *Frequency divider, a circuit that divides the frequency of a clock signal

Society

*Administrative division, territory into which a country is divided *Census division, an official term in Canada and the United States *Diairesis, Plato's method of definition by division *Division (business), of a business entity is a distinct part of that business but the primary business is legally responsible for all of the obligations and debts of the division *Division (political geography), a name for a subsidiary state or prefecture of a country *Division (sport), a group of teams in organised sport who compete for a divisional title *In parliamentary procedure: **Division of the assembly, a type of formally recorded vote by assembly members **Division of a question, to split a question into two or more questions *Partition (politics), the process of changing national borders or separating political entities *Police division, a large territorial unit of the British police

Places

*Division station (CTA North Side Main Line), a station on the Chicago Transit Authority's North Side Main Line *Division station (CTA Blue Line), a station on the Chicago Transit Authority's 'L' system, serving the Blue Line *Division Mountain, on the Continental Divide along the Alberta - British Columbia border of Canada *Division Range, Humboldt County, Nevada

Music

*Division (10 Years album), ''Division'' (10 Years album), 2008 *Division (The Gazette album), ''Division'' (The Gazette album), 2012 *Divisions (album), ''Divisions'' (album), by Starset, 2019 *Division (music), a type of ornamentation or variation found in early music *Divider, as in Glossary of Schenkerian analysis#D, Schenkerian music analysis, a consonant subdivision of a consonant interval *"Division", a song by Aly & AJ from ''Insomniatic'', 2007 *"Divider", a song by Scott Weiland from the album ''12 Bar Blues (album)'', 1998

Other uses

*Divider, a central reservation in Bangladesh *Division of the field, a concept in heraldry *Division (logical fallacy), when one reasons logically that something true of a thing must also be true of all or some of its parts *Tom Clancy's The Division, a multiplayer videogame by Ubisoft and Red Storm Entertainment *''The Division'' (TV series), a police procedural