单词	phosphorus
释义	phosphorusphos‧pho‧rus /ˈfɒsfərəs $ ˈfɑːs-/ noun [uncountable] Word Origin WORD ORIGINphosphorus Origin: 1600-1700 Modern Latin, Greek phosphoros ‘carrying light’ Examples EXAMPLES FROM THE CORPUS Black phosphorus only occurs at high pressures-this is not shown in figure 6.9. Examples are iron, calcium, sodium, potassium, phosphorus, and magnesium. In deeper shade, apply phosphorus occasionally as a boost for flowering plants. The different soda, magnesia and phosphorus pentoxide levels can be related to the use of a different soda source. There was a trick to it, which involved artillery and white phosphorus, but the overall effect was spectacular. This must be rectified because a higher phosphorus level will interfere with calcium absorption in the horse's gut creating further problems. When combined with the effect on bone, the overall result is a decreased blood phosphorus. word sets WORD SETS► Elements aluminium, nounargon, nounarsenic, nounbarium, nounbase metal, nounbismuth, nouncadmium, nouncaesium, nouncalcium, nouncarbon, nounchlorine, nounchromium, nouncobalt, nouncopper, nounferrous, adjectivegold, noungold, adjectivegolden, adjectivehalogen, nounhydro-, prefixhydrogen, nouniodine, nouniridium, nouniron, nounisotope, nounkrypton, nounlead, nounlithium, nounmagnesium, nounmanganese, nounmercury, nounmolybdenum, nounnickel, nounnitrogen, nounoxygen, nounphosphorus, nounplatinum, nounplutonium, nounpotassium, nounprecious metal, nounradium, nounradon, nounselenium, nounsilicon, nounsilver, nounsilver, adjectivesodium, nounstrontium, nountin, nountin, adjectivetitanium, nountrace element, nountungsten, nounuranium, nounxenon, nounzinc, noun Collocations COLLOCATIONS FROM THE ENTRY► phosphoric acid  phosphoric acid COLLOCATIONS FROM THE CORPUSADJECTIVE► white · The white phosphorus matches were dangerous and their manufacture a serious danger to health.· There was a trick to it, which involved artillery and white phosphorus, but the overall effect was spectacular. a poisonous yellowish chemical substance that starts to burn when it is in the air, and shines in the dark. It is a chemical element: symbol P—phosphoric /fɒsˈfɒrɪk $ fɑːsˈfɔː-, fɑːsˈfɑː-, ˈfɑːsfərɪk/ adjective:  phosphoric acid
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