Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “polar”

See all translations

polar

adjective  /ˈpoʊ·lər/ us  

polar adjective (OF A PLACE)

[not gradable] of or near the area around the most northern or most southern points of the earth: the polar ice cap a polar expedition

polar adjective (OF ELECTRICITY)

relating to either of the two ends of a magnet or two parts of a battery (= device that produces electricity) which have opposite charges : fig. The play’s main characters are polar opposites (= They are completely opposite). chemistry Polar also describes a substance whose molecules have opposite positive and negative poles
Translations of “polar”
in Korean 북극/남극의…
in Arabic قُطْبي…
in Portuguese polar…
in Catalan polar…
in Japanese (北極・南極の)極地の…
in Italian polare…
in Chinese (Traditional) 地方, 兩極的, 近兩極的…
in Russian полярный…
in Turkish kutup, kutba ait…
in Chinese (Simplified) 地方, 两极的, 近两极的…
in Polish polarny…
(Definition of polar from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of polar?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “polar”

Definitions of “polar” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More