polar
- noun
- /ˈpoʊlər/
- The official end of the Arctic Ocean melt season could come any time now, but the sea ice that covers the North Polar region has already smashed the previous record low for end-of-summer ice area set in 2007.
Examples
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This is the metric of the flat plane in polar coordinates.
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So this complex number is written in what's called polar or trig form.
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We just want to change everything in here to polar notation in terms of R and Theta.
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The synoptic procedure involves the development of an automated index that describes the air mass over a city every day (e.g., "continental polar" or "maritime tropical").
Academic text (1993) -
Mathematicians often use polar coordinates to represent complex numbers in a more accessible way.
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In mathematics, converting to polar form can simplify the addition of complex numbers.
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The scientist studied ice formations in polar regions to understand climate change effects.
Synonyms
An area around the North or South Pole that is very cold and icy
One of the two numbers that show a point's distance from a fixed center and its angle
An extremely cold area around the North or South Pole with ice and snow
Antonyms
Compounds
- Specialized
One of the two numbers that show a point's distance from a fixed center and its angle
A bright star called Polaris that sits almost above Earth's north pole and shows true north
- Specialized
A line where very cold air from the poles meets warmer air and causes storms
A clear contrast between two very different ends that shows points between them
- Specialized
A very small cell with little liquid that forms when an egg divides and that the body usually discards
A circle near Earth's poles where the sun stays above or below the horizon for one day
Surface Forms
Morphology
Etymology
Polar comes from the root pole 'end' or 'point', and as a noun it can mean a person or thing from the Earth's polar 'regions' or a point described in 'polar coordinates' in math.