uranium 235
nounChemistry.
the radioactive uranium isotope having a mass number of 235, comprising 0.715 percent of natural uranium. When bombarded with neutrons it undergoes fission with the release of energy.
Origin of uranium 235
1First recorded in 1935–40
- Also called U-235, U 235, actinouranium.
Words Nearby uranium 235
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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