Polar vs Artic - What's the difference?

As nouns the difference between polar and artic

is that polar is while artic is (informal) short form of articulated lorry.

(-)

of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole)

of an orbit that passes over, or near, one of these poles

(chemistry) having a dipole; ionic

(mathematics) of a coordinate system, specifying the location of a point in a plane by using a radius and an angle

(linguistics, of a question) Having but two possible answers, yes'' and ''no .

* ----

(en noun)

(informal) Short form of articulated lorry.

(informal) Short form of articulated bus.

* semitrailer / semi-trailer (US) * bendy bus