What is polar?

  • (adj): Being of crucial importance.
    Example: "The polar events of this study"; "a polar principal"
    Synonyms: pivotal
    See also — Additional definitions below

Some articles on polar:

Polar Angle
... In geometry, the polar angle may be one of the two coordinates of a two-dimensional polar coordinate system one of the three coordinates of a three-dimensional spherical coordinate system in ...
Protic - Polar Aprotic Solvents
... Polar aprotic solvents are solvents that will dissolve many salts, but lack an acidic hydrogen ... Although discouraging use of the term "polar aprotic", IUPAC describes such solvents as having both high dielectric constants and high dipole moments, an example being acetonitrile ... organic salts such as tetraethylammonium iodide Polar aprotic solvents are often essential for reactions that involve strong bases, such as reactions involving Grignard reagents or n-butyllithium ...
Polar Circle Marathon
... The Polar Circle Marathon is a classical 42.195 km marathon, which however has the very untraditional feature that it is situated on 66 degrees northern latitude ... The Polar Circle Marathon is more demanding than usual marathons due to the cold weather and the slippery surface for the parts of the race that goes over the actual ice cap ... The Polar Circle Marathon was held for the 5th time in history on 18 October 2008 around Kangerlussuaq in Western Greenland ...
Henry W. Howgate - Military Career
... before becoming responsible for planning all polar expeditions ... Under his auspices, he was responsible for polar expeditions at a time when several countries were also supporting polar exploration and scientific studies ...
Polar, Wisconsin - Demographics
... There were 354 households out of which 38.4% had children under the age of 18 living with them, 68.1% were married couples living together, 6.5% had a female householder with no husband present, and 20.6% were non-families. 17.8% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older ...

More definitions of "polar":

  • (adj): Characterized by opposite extremes; completely opposed.
    Example: "Extreme and indefensible polar positions"
    Synonyms: diametric, diametrical, opposite
  • (adj): Located at or near or coming from the earth's poles.
    Example: "Polar diameter"; "polar zone"; "a polar air mass"; "Antarctica is the only polar continent"
  • (adj): Of or existing at or near a geographical pole or within the Arctic or Antarctic Circles.
    Example: "Polar regions"
  • (adj): Having a pair of equal and opposite charges.

Famous quotes containing the word polar:

    In time your relatives will come to accept the idea that a career is as important to you as your family. Of course, in time the polar ice cap will melt.
    Barbara Dale (b. 1940)

    Professor Fate: My apologies. There’s a polar bear in our car.
    Arthur Ross. Professor Fate (Jack Lemmon)