单词 | Plutonism |
释义 | Pluto /plooˈtō/noun
ORIGIN: L Plūtō, -ōnis, from Gr Ploutōn, -ōnos Pluto pluˈtoid noun (astronomy) Any dwarf planet beyond Neptune pluˈton noun (geology) A mass of rock which has solidified below the earth's surface Plutoˈnian adjective
Plutonic /-tonˈik/ adjective
Plutonism /plooˈtən-izm/ noun Pluˈtonist noun and adjective (obs geol) Vulcanist plutōˈnium noun An artificially produced radioactive transuranic element (symbol Pu; atomic no 94), named as next after neptunium (93; Pluto being regarded at the time as the planet beyond Neptune), having many isotopes, the fissile isotope239Pu being particularly important in the production of nuclear power |
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