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polar front
polar nucleus
polar star
polar wandering
polarimeter
Polaris
polariscope
polarise
polarity
polarity therapy
polarize
polarizing microscope
polarography
Polaroid
polder
Pole
pole (1)
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polarity

po·lar·i·ty [ pō lárrətee ] (plural po·lar·i·ties)


noun 
Definition:
 
1. extreme difference: a situation in which two people or groups have qualities, ideas, or principles that are diametrically opposed to each other

2. opposite physical characteristics in system: the condition, in a system, of having opposite characteristics at different points, especially with respect to electric charge or magnetic properties

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