Background for polar

polar

/ˈpəʊ̯lə(ɹ)/ /ˈpoʊ̯lɚ/

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noun

The line joining the points of contact of tangents drawn to meet a curve from a point called the pole of the line.

Examples :

"The polar of the parabola's focus is a straight line. "

math point figure

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adjective

Of or having a pole or polarity.

Examples :

"The magnet has a strong polar force, attracting the metal paper clips. "

world geography nature environment science physics

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adjective

Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole); within the Arctic or Antarctic circles.

Examples :

"The polar bear exhibit at the zoo was fascinating. "

geography world area nature

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adjective

(space sciences) Of an orbit that passes over, or near, one of these poles.

Examples :

"The satellite's polar orbit allowed it to photograph the entire Earth's northern region. "

astronomy space science technical

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adjective

Having a dipole; ionic.

Examples :

"The water molecule is polar because it has a slightly positive end and a slightly negative end. "

chemistry physics science

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adjective

Of a coordinate system, specifying the location of a point in a plane by using a radius and an angle.

Examples :

"The polar coordinates of the school's new playground are crucial for the construction plans. "

math astronomy physics space

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adjective

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

Examples :

"The teacher asked a polar question: "Did you finish your homework?" "