POLAR


Meaning of POLAR in English

■ adjective

1》 relating to a pole or poles, in particular the North or South Pole or their adjacent area.

2》 Physics & Chemistry having an electrical or magnetic field.

3》 directly opposite in character or tendency: ~ opposites.

■ noun Geometry the straight line joining the two points at which tangents from a fixed point touch a conic section.

Origin

C16: from med. L. ~is 'heavenly', from L. polus (see pole 2 ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.