deuterium (originally called diplogen).
单词 | θ68585 |
释义 | the world > matter > chemistry > elements and compounds > hydrogen > [noun] > isotopes (6) D1933 deuterium (originally called diplogen). deuterium1933 One of the isotopes of hydrogen, differing from the commonest isotope in having a neutron as well as a proton in the nucleus and present to about 1… diplogen1933 = deuterium, n. protium1933 The ordinary isotope of hydrogen, having only a proton in the nucleus. Symbol 1H, H1. Cf. deuterium, n., tritium, n. tritium1933 A radioactive heavy isotope of hydrogen, having two neutrons as well as a proton in the nucleus, which constitutes one part in 1018 of the… T1948 = tritium, n. |
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