Polar

Polar may refer to:

• Polar Electro, a Finnish manufacturer of heart rate monitors
• Polar Air Cargo, a logistics company
• Polar (artist), a Norwegian electronic music artist
• Empresas Polar, a brewery in Venezuela
• Polar Beverages, an independent soft drink bottling company based in Worcester, Massachusetts
• Polar Challenge, a team Polar race to the Magnetic North Pole
• Polar (satellite), a satellite launched by NASA in 1996.
• The Polar Express, a 1985 children's book adapted as a feature film in 2004
• The Polar Express (film), a 2004 film based upon the children's book of the same name
• Polar (album), the 2007 sophomore album by The High Water Marks
• Polar Studios, once one of the most famous recording studios in Scandinavia
• Polar Music, a Swedish record company founded in 1963
• Polar Music Prize, an international music prize founded 1989 awarded annually by the Royal Swedish Academy of Music
• Order of the Polar Star (Swedish Nordstjärneorden), a Swedish Royal order of chivalry
• Polar Star (novel), a 1989 crime novel by Martin Cruz Smith, set in the Soviet Union in the late 1980s
• POLAR II, a pedestrian test dummy created by Honda, used to study how pedestrians injuries in road traffic accidents
• Polar Wrocław, a Polish football club based in Wrocław, Poland
• Polarity in international relations, a description of the distribution of power within the international system

Geography

• Geographical pole, either of two fixed points on the surface of a spinning body or planet, at 90 degrees from the equator, based on the axis around which a body spins
  • Polar circle, a circle of latitude where the sun is above and below the horizon for 24 continuous hours at least once per year
  • Polar climate, the climate of the polar regions, characterized by a lack of warm summers
  • Polar region, the region within the polar circles, referred to as the Arctic and Antarctic
• Polar, Wisconsin, a town in Langlade County, Wisconsin, United States

Science and mathematics

• Chemical polarity, a concept in chemistry which describes how equally bonding electrons are shared between atoms
• Intermediate polar, a type of cataclysmic variable binary star system
• Polar (cataclysmic variable), a strongly magnetic cataclysmic variable star system
• Polar body, a cell structure found inside an ovum, produced during oogenesis
• Polar coordinate system, a coordinate system in which points are given by an angle and a distance from the pole, or central point equivalent to the origin in the Cartesian coordinate system
• Polar curve (aviation), a graph of the rate of sink versus the horizontal speed of an aircraft
• Polar membrane, either 1) a lipid bilayer membrane displaying polarity or 2) a specialized region of the bacterial cell membrane associated with the flagella (usually located at the cell poles)
• Polar set, in functional analysis, a set whose compact subsets have h-capacity 0 for all h > 0