Median Layer

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A median layer is a layer (or metalayer, cosmos, or alarach where all inhabitants are median (to equal or varying degrees) with each other, for whatever reason. This may be due to being in a larger median system or as the headspace of a median system, but isn't always.

Related Terms
A mediple layer is a layer (or other headspace) wherein all inhabitants are mediple (to different or equal degrees) with one another, which can be for a variety of reasons, including being the headspace of a mediple system or sisasystem.