| 单词 | parahydrogen |
| 释义 | parahydrogen[ par-uh-hahy-druh-juhn ] / ˌpær əˈhaɪ drə dʒən / noun Physics, Chemistry.the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions. Compare orthohydrogen. Origin of parahydrogenFirst recorded in 1925–30; para-1 + hydrogen Words nearby parahydrogenParaguayan, Paraguay tea, parahemophilia, parahippocampal gyrus, parahormone, parahydrogen, Paraíba, parainfluenza, parainfluenza 1 virus, parainfluenza 2 virus, parainfluenza 3 virus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for parahydrogen
British Dictionary definitions for parahydrogenparahydrogen / (ˌpærəˈhaɪdrədʒən) / nounchem the form of molecular hydrogen (constituting about 25 per cent of the total at normal temperatures) in which the nuclei of the two atoms in each molecule spin in opposite directionsCompare orthohydrogen Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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