opacity

Alternative definitions (1), class: vernacular (0)
Term: opacity
Definition:

The extinction coefficient for a particular substance is a measure of how well it scatters and absorbs electromagnetic radiation (EM waves). If the EM wave can pass through very easily, the material has a low extinction coefficient. Conversely, if the radiation hardly penetrates the material, but rather quickly becomes extinct within it, the extinction coefficient is high.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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