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- (chemistry) The process by which the number of particles or photons entering a body of matter is reduced by absorption and scattered radiation. Source: U.S. Nuclear Regulatory Commission
- (environment) The process by which a compound is reduced in concentration over time, through absorption, adsorption, degradation, dilution, and/or transformation. an also be the decrease with distance of sight caused by attenuation of light by particulate pollution. Source: Terms of the Environment
- A reduction in the amplitude or energy of a signal, such as might be produced by passage through a filter. AGI
- A reduction in the amplitude of seismic waves, as produced by divergence, reflection and scattering, and absorption. AGI
- That portion of the decrease in seismic or sonar signal strength with distance that is dependent not on geometrical divergence, but on the physical characteristics of the transmitting medium. CF: damping AGI
Source: Dictionary of Mining, Mineral, and Related Terms
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