fission track

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A track left by the decay of uranium atoms in a mineral. By analyzing the number and nature of these tracks in a sample mineral and inducing further fission of the remaining uranium by irradiation with neutrons to create new tracks for comparison, one can estimate the approximate age of the sample.

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Words nearby fission track

fission bomb, fission-fusion bomb, fission, nuclear, fission product, fission reactor, fission track, fission-track dating, fissipalmate, fissiparous, fissiped, fissirostral