Meaning of POLAR in English

POLAR

I. ˈpō-lər adjective

Etymology: New Latin polaris, from Latin polus pole

Date: 1551

1.

a. : of or relating to a geographic pole or the region around it

b. : coming from or having the characteristics of such a region

c.

(1) : passing over a celestial body's north and south poles

a satellite in a polar orbit

(2) : traveling in a polar orbit

a polar satellite

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

3. : serving as a guide

a polar principle

a polar theory

4. : diametrically opposite

polar positions on the issue

5. : exhibiting polarity ; especially : having a dipole or characterized by molecules having dipoles

a polar solvent

6. : resembling a pole or axis around which all else revolves : pivotal

polar events

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

polar equations

also : of or relating to a polar coordinate system

II. noun

Date: 1848

: a straight line related to a point ; specifically : the straight line joining the points of contact of the tangents from a point exterior to a conic section

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.