Meaning of POLAR in English

POLAR

I. ˈpōlə(r) adjective

Etymology: New Latin polaris, from Latin polus pole + -aris -ar — more at pole

1.

a. : of, relating to, or situated in the vicinity of one of the earth's two poles

valley glaciers in both polar and equatorial regions — Hugh Odishaw

Antarctica is the only polar continent — Antarctica

b.

(1) : of, relating to, or suggesting the region around one of the earth's two poles

polar weather

polar waste

polar night

(2) : situated in, suitable for, coming from, or having the characteristics of the region around one of the earth's two poles

polar air mass

polar flying

polar airplane

polar sea

2.

a. : of or relating to one or more physical poles (as of a sphere or magnet)

polar magnetism

b. : having poles and as a result a property analogous to that of a magnet in that there is an associated directed line connecting the two poles at the ends of which line there are equal and opposite properties

polar molecule

3. : of, relating to, or like a polestar in serving as a guide

polar principle

this polar idea provides the clue to both … systems — V.L.Parrington

4. : diametrically opposite in nature, tendency, or action

extreme and indefensible polar positions — Hunter Mead

for whom classicism and romanticism are not polar but continuous — Harry Levin

polar if not mutually hostile parties — Austin Warren

5.

a. : electrovalent

b. : having a dipole

polar compounds such as hydrogen chloride, ammonia, water

alcohols and ketones are common solvents

6. : held to resemble a pole or axis around which all else revolves : pivotal

the polar events of this informed study — Fraser Neiman

II. noun

( -s )

: the secant of a conic through the points of tangency of the two tangents that can be drawn to the conic from an external point

III. adjective

1.

a. : passing over the north and south poles of a celestial body

a satellite in a polar orbit

b. : traveling in a polar orbit

a polar satellite

2. : of, relating to, or expressed in polar coordinates

polar equations

also : of or relating to a polar coordinate system

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.