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- Dictionarypolar/ˈpəʊlə/
adjective
- 1. relating to the North or South Pole: "the polar regions" Similar
- 2. having electrical or magnetic polarity.
noun
- 1. the straight line joining the two points at which tangents from a fixed point touch a conic section.
- 2. a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf.
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Jul 9, 2024 · polarity, in chemical bonding, the distribution of electrical charge over the atoms joined by the bond. Specifically, while bonds between identical atoms, as in H 2, are electrically uniform in the sense that both hydrogen atoms are electrically neutral, bonds between atoms of different elements are electrically inequivalent.
Jul 4, 2024 · polarization, property of certain electromagnetic radiations in which the direction and magnitude of the vibrating electric field are related in a specified way. Light waves are transverse: that is, the vibrating electric vector associated with each wave is perpendicular to the direction of propagation.
Jul 9, 2024 · A complex number can also be defined by its geometric polar coordinates: the radius is called the absolute value of the complex number, while the angle from the positive real axis is called the argument of the complex number.
Jul 9, 2024 · the part of the Earth's surface forming a cap over a pole; characterized by frigid climate.
Jun 29, 2024 · Polar bear, great white northern bear found throughout the Arctic region. The polar bear is the largest and most powerful carnivore on land, a title it shares with a subspecies of brown bear called the Kodiak bear. It has no natural predators and knows no fear of humans, making it an extremely dangerous animal.
Jun 22, 2024 · A polar landscape refers to the geographical features and characteristics of the Earth’s polar regions, including the Arctic and Antarctic. These regions are characterized by cold temperatures, icy expanses, and a lack of vegetation.
Jul 3, 2024 · Simple summary of climatic zones: Polar – very cold and dry all year. Temperate – cold winters and mmild summers. Arid – dry, hot all year. Tropical – hot and wet all year. Mediterranean – mild winters, dry hot summers. Mountains ( tundra) very cold all year. Share this: The world has several climate zones. These are summarised on the map below.
Jul 9, 2024 · The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed. The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
Jul 8, 2024 · Definition And Meaning: Polarity is the distribution of an electrical charge among the atoms connected by a chemical bond. Breakdown Of The Key Aspects Of Polarity....
Jun 21, 2024 · How a rare, ‘once-in-20-years’ aurora formed at the North Pole. Scientists have identified the phenomenon as a polar rain aurora, never seen before from the ground. On December 25 and 26, 2022...
