alpha track

adjective

Definition of alpha track 

: designed to measure and record radon levels by creating a graphic record of the alpha particles that are emitted as radon undergoes radioactive decay alpha track detectors Detection of radon in the home can be accomplished with charcoal canisters, ion detectors, and alpha track monitors available from most health departments or extension agents …— Kathryn Hilgenkamp, Environmental Health: Ecological Perspectives, 2005

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First Known Use of alpha track

circa 1949, in the meaning defined above

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The first known use of alpha track was circa 1949

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