Defenition of the word plutonium 239
Defenition of the word plutonium 239
a highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons
Hyponyms for the word plutonium 239
weapon-grade plutonium
weapons plutonium
Hypernyms for the word plutonium 239
atomic number 94
plutonium
Pu
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The word of the day
moment magnitude scale
a logarithmic scale of 1 to 10 (a successor to the Richter scale) that enables seismologists to compare the energy released by different earthquakes on the basis of the area of the geological fault that ruptured in the quake
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