polar cap

polar cap
1. Geol. the icecap situated at either end of the earth's poles.
2. Astron. either of the two bright areas around the poles of the planet Mars, consisting of water ice and frozen carbon dioxide.

* * *

Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Polar Cap Absorption — Beziehung von Ionosphäre und Erdatmosphäre Elektronendichte und Ionenzusammensetzung in den oberen Ionosphärenschichten …   Deutsch Wikipedia

  • polar cap — a chromophilic, saclike organelle occurring beneath the spore wall in the polar region of microsporidian protozoa. Called also polar capsule …   Medical dictionary

  • polar cap — noun A high latitude region of a celestial body that is covered by ice. Earths polar caps may melt if global warming continues …   Wiktionary

  • polar cap — (MESOZOA) The eight anterior cells in the nematogen …   Dictionary of invertebrate zoology

  • polar cap — noun Astronomy a region of ice or other frozen matter surrounding a pole of a planet …   English new terms dictionary

  • polar cap — noun : a white spot at each pole of the planet Mars varying in size with the Martian seasons …   Useful english dictionary

  • 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 ice — noun Permanent sea ice found in the Arctic and Antarctic Syn: polar cap ice …   Wiktionary

  • 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 ice cap — A polar ice cap is a high latitude region of a planet or moon that is covered in ice. There are no requirements with respect to size or composition for a body of ice to be termed a polar ice cap, nor any geological requirement for it to be over… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”