radiation melt

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• Melt ponds — are pools of open water that form on sea ice in the warmer months of spring and summer. The ponds are also found on glacial ice and ice shelfs. Ponds of melted water can also develop under the ice.Melt ponds are usually darker than the… …   Wikipedia

• Melt pond — As ice melts, the liquid water collects in depressions on the surface and deepens them, forming these melt ponds in the Arctic. These fresh water ponds are separated from the salty sea below and around it, until breaks in the ice merge the two.… …   Wikipedia

• melt down — verb reduce or cause to be reduced from a solid to a liquid state, usually by heating melt butter melt down gold The wax melted in the sun • Syn: ↑melt, ↑run • Derivationally related forms: ↑meltable ( …   Useful english dictionary

• melt·down — /ˈmɛltˌdaʊn/ noun, pl downs 1 : an accident in which the core of a nuclear reactor melts and releases radiation [count] a nuclear meltdown [noncount] fears that an accident could cause meltdown 2 a : a very fast collapse or failure …   Useful english dictionary

• Nuclear and radiation accidents — This article is about nuclear and radiation accidents in general. For a list of military nuclear accidents, see List of military nuclear accidents. For a list of civilian nuclear accidents, see List of civilian nuclear accidents. For a discussion …   Wikipedia

• Red Star (comics) — Superherobox| caption=Red Star from Teen Titans #38 comic color=background:#8080ff character name=Red Star real name=Leonid Konstantinovitch Kovar publisher=DC Comics debut= Teen Titans #18 (1968) creators=Len Wein Marv Wolfman alliance… …   Wikipedia

• meltdown — /melt down /, n. the melting of a significant portion of a nuclear reactor core due to inadequate cooling of the fuel elements, a condition that could lead to the escape of radiation. [1960 65; n. use of v. phrase melt down] * * * Occurrence in… …   Universalium

• meltdown — melt|down [ melt,daun ] noun count or uncount 1. ) an accident in a NUCLEAR REACTOR in which the temperature increases in the nuclear fuel until it melts through its container and RADIATION escapes 2. ) a sudden and complete failure of a company …   Usage of the words and phrases in modern English

• Climate of the Arctic — The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Some… …   Wikipedia

• glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …   Universalium

• Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] …   Wikipedia