Measurement or calculation of energy imparted by ionizing radiation, together with explicitly specified weighting conventions. Absorbed dose, equivalent dose and effective dose are different quantities.
The reference radiation dose divided by the test radiation dose giving the same specified biological endpoint. It depends on radiation quality, tissue, endpoint and dose, rather than being an immutable particle constant.
A dimensionless weight in effective dose; the weights over the reference tissues sum to one.
A radiation weighting factor weighted sum of mean absorbed doses for a specified organ or tissue. Its unit is the sievert.
A dimensionless factor used to convert a specified radiation component's absorbed dose into its contribution to equivalent dose.
Mean energy imparted by ionizing radiation per unit mass; its unit is the gray.
A dosimetric condition in which the charged-particle energy entering a small region balances the corresponding energy leaving it. Under appropriate equilibrium conditions, photon collision kerma equals absorbed dose. It can fail near material boundaries or in the buildup region of a high-energy photon beam.

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  1. Ionizing radiation
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