transplutoniumadj.

Etymology: < trans- prefix 11 + plutonium n.² 2.Previous versions of the OED give the stress as: transpluˈtonium.

Physics.

Of a chemical element: having a higher atomic number than plutonium (i.e. 95 or over).

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactive isotope > [adjective] > having atomic number higher than plutonium

transplutonium1955

1955 Physical Rev. 99 1048/2 It [sc. the alpha radiation] was due to a transplutonium element.

1977 Sci. Amer. Mar. 29/2 In the absence of fast-neutron reactors..it would be impossible to completely burn the plutonium and its transplutonium derivatives produced by the slow-neutron plants.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	transplutonium
释义	transplutoniumadj. Etymology: < trans- prefix 11 + plutonium n.² 2.Previous versions of the OED give the stress as: transpluˈtonium. Physics. Of a chemical element: having a higher atomic number than plutonium (i.e. 95 or over). ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > [adjective] > having atomic number higher than plutonium transplutonium1955 1955 Physical Rev. 99 1048/2 It [sc. the alpha radiation] was due to a transplutonium element. 1977 Sci. Amer. Mar. 29/2 In the absence of fast-neutron reactors..it would be impossible to completely burn the plutonium and its transplutonium derivatives produced by the slow-neutron plants. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.1955
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