high-level waste

high-level waste
high-level waste noun
Nuclear waste requiring continuous cooling to remove the heat produced by radioactive decay
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Main Entry:high

Useful english dictionary. 2012.

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  • High level waste — (HLW) is a type of nuclear waste that arises from the use of uranium fuel in a nuclear reactor and nuclear weapons processing. It contains the fission products and transuranic elements generated in the reactor core. HLW accounts for over 95% of… …   Wikipedia

  • high level waste — noun radioactive waste from spent reactor fuel, which contains the fission products and transuranic elements generated in the reactor core; the most dangerous form of radioactive waste. Abbrev.: HLW Compare low level waste …  

  • Low level waste — (LLW) is a term used to describe nuclear waste that does not fit into the categorical definitions for high level waste (HLW), spent nuclear fuel (SNF), transuranic waste (TRU), or certain byproduct materials known as 11e(2) wastes, such as… …   Wikipedia

  • intermediate level waste — noun Nuclear waste which does not require continuous cooling, as high level waste does, but does require shielding during storage and transport, unlike low level waste • • • Main Entry: ↑intermediate …   Useful english dictionary

  • intermediate level waste — noun radioactive waste which does not have the level of heat generation associated with high level waste but which is more dangerously radioactive than low level waste; typically materials which have been irradiated in a nuclear reactor. Abbrev …  

  • low level waste — noun radioactive waste in which there are low levels of radioactivity per mass or volume. Abbrev.: LLW Compare high level waste …  

  • high-level — adjective Date: 1811 1. occurring, done, or placed at a high level 2. being of high importance or rank < high level diplomats > 3. of, relating to, or being a computer programming language (as BASIC or Pascal) which is similar to a natural… …   New Collegiate Dictionary

  • high-level — adj. High level is used with these nouns: ↑conference, ↑corruption, ↑delegation, ↑executive, ↑meeting, ↑negotiation, ↑talk, ↑training, ↑waste …   Collocations dictionary

  • high-level radioactive waste — noun radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed • Hypernyms: ↑radioactive waste …   Useful english dictionary

  • high-level — adjective 1》 Computing denoting a programming language (e.g. BASIC) that has instructions resembling an existing language such as English. 2》 (of nuclear waste) highly radioactive and requiring long term storage in isolation …   English new terms dictionary

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