- polar number
- the number of valences (positive or negative) possessed by an atom in any particular compound.
Medical dictionary. 2011.
polar number
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Polar low — over the Barents Sea on February 27, 1987 A polar low is a small scale, long lived atmospheric low pressure system (depression) that is found over the ocean areas poleward of the main polar front in both the Northern and Southern Hemispheres. The … Wikipedia
Polar Bear Expedition — Polar Bear Monument in White Chapel Cemetery, Troy, Michigan, sculptor Leon Hermant … Wikipedia
Polar modulation — is analogous to quadrature modulation in the same way that polar coordinates are analogous to Cartesian coordinates. Quadrature modulation makes use of Cartesian coordinates, x and y . When considering quadrature modulation, the x axis is called… … Wikipedia
Polar ecology — is the relationship between plants and animals in a polar environment. Polar environments are in the Arctic and Antarctic regions. Arctic regions are in the northern hemisphere, and it contains land and the islands that surround it. Antarctic is… … Wikipedia
Polar wind — is the permanent outflow of ionization from the polar regions of the magnetosphere. [http://amsglossary.allenpress.com/glossary/browse?s=p p=43 AMS Glossary] ] Ionospheric Plasma SourceThe ‘ground state’ of the ionosphere consists of the baseline … Wikipedia
Polar Claw — is a the name of a fictional character from the various Transformers universes.Beast WarsTransformers character name =Polar Claw caption = affiliation =Maximal subgroup =Mega Beasts function =Infantry Battle Commander rank =8 partner =Robotic Bat … Wikipedia
Polar exploration — is the physical exploration of the Arctic and Antarctic regions of the Earth. It is also denotes the historical period during which mankind most intensely explored the regions north of the Arctic Circle and south of the Antarctic Circle.… … Wikipedia
Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 … Wikipedia
Polar decomposition — In mathematics, particularly in linear algebra and functional analysis, the polar decomposition of a matrix or linear operator is a factorization analogous to the polar form of a nonzero complex number z where r is the absolute value of z (a… … Wikipedia
Polar bear — This article is about the animal. For other uses, see Polar bear (disambiguation) … Wikipedia
