polar : Idioms & Phrases

E*lec`tro-po"lar adjective

Definitions

1. (Physics) Possessing electrical polarity; positively electrified at one end, or on one surface, and negatively at the other; -- said of a conductor.

Webster 1913

• (Astron.), the distance on the heavens of a heavenly body from the north pole. It is the complement of the declination.

Webster 1913

• adjective satellite of or relating to the Arctic
  Arctic.
  
  • the Arctic summer

WordNet

• (Logic), an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as white and black in colors; hence, as great an opposition or contrast as possible.

Webster 1913

• that axis of an astronomical instrument, as an equatorial, which is parallel to the earths axis.

Webster 1913

• noun white bear of Arctic regions
  Thalarctos maritimus; ice bear; Ursus Maritimus.
  

WordNet

• (Zoöl.), a large bear (Ursus, ∨ Thalarctos, maritimus) inhabiting the arctic regions. It sometimes measures nearly nine feet in length and weighs 1,600 pounds. It is partially amphibious, very powerful, and the most carnivorous of all the bears. The fur is white, tinged with yellow. Called also White bear. See Bear.

Webster 1913

• noun a small cell containing little cytoplasm that is produced along with the oocyte and later discarded
  

WordNet

• (Biol.), a minute cell which separates by karyokinesis from the ovum during its maturation. In the maturation of ordinary ova two polar bodies are formed, but in parthogenetic ova only one. The first polar body formed is usually larger than the second one, and often divides into two after its separation from the ovum. Each of the polar bodies removes maternal chromatin from the ovum to make room for the chromatin of the fertilizing spermatozoön; but their functions are not fully understood.

Webster 1913

• noun a line of latitude at the north or south poles
  polar circle.
  

WordNet

• noun a line of latitude at the north or south poles
  polar circle.
  

WordNet

• (Astron. & Geog.), two circles, each at a distance from a pole of the earth equal to the obliquity of the ecliptic, or about 23° 28', the northern called the arctic circle, and the southern the antarctic circle.

Webster 1913

• a tube, containing a polarizing apparatus, turning on an axis parallel to that of the earth, and indicating the hour of the day on an hour circle, by being turned toward the plane of maximum polarization of the light of the sky, which is always 90° from the sun.

Webster 1913

• noun either of two values that locate a point on a plane by its distance from a fixed pole and its angle from a fixed line passing through the pole
  

WordNet

• . See under 3d Coördinate.

Webster 1913

• a dial whose plane is parallel to a great circle passing through the poles of the earth. Math. Dict.

Webster 1913

• the angular distance of any point on a sphere from one of its poles, particularly of a heavenly body from the north pole of the heavens.

Webster 1913

• an equation which expresses the relation between the polar coördinates of every point of the line or surface.

Webster 1913

• (Physics), forces that are developed and act in pairs, with opposite tendencies or properties in the two elements, as magnetism, electricity, etc.

Webster 1913

• noun the front of an advancing mass of colder air
  cold front.
  

WordNet

• noun a glacier near the Arctic or Antarctic poles
  

WordNet

• noun a large hare of northern North America; it is almost completely white in winter
  Arctic hare; Lepus arcticus.
  

WordNet

• (Zoöl.), a large hare of Arctic America (Lepus arcticus), which turns pure white in winter. It is probably a variety of the common European hare (L. timidus).

Webster 1913

• the aurora borealis or australis.

Webster 1913

• noun an opposition that can be graded between two extremes or poles
  

WordNet

• . See under Projection.

Webster 1913

• noun the part of the Earth's surface forming a cap over a pole; characterized by frigid climate
  polar region; Frigid Zone.
  

WordNet

• (Spherics), a spherical triangle whose three angular points are poles of the sides of a given triangle. See 4th Pole, 2.

Webster 1913

• noun the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it
  pole star; Polaris; polestar; North Star.
  

WordNet

• (Zoöl.), the right whale, or bowhead. See Whale.

Webster 1913

• noun the part of the Earth's surface forming a cap over a pole; characterized by frigid climate
  polar region; Frigid Zone.
  

WordNet

• adjective satellite at or near the south pole
  Antarctic.
  

WordNet

Zin`co-po"lar adjective

Etymology

Zinco- + polar.

Definitions

1. (Elec.) Electrically polarized like the surface of the zinc presented to the acid in a battery, which has zincous affinity. Obs.

Webster 1913