demarcation

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de·mar·ca·tion

(dē'mar-kā'shŭn),
A setting of limits; a boundary.
[Fr. fr. L. de, from, + Mediev. L. marco, to mark]

demarcation

Forming a plane of separation between living and dead tissue, as in dry GANGRENE.

de·mar·ca·tion

(dēmahr-kāshŭn)
A setting of limits; a boundary.
[Fr. fr. L. de, from, + Mediev. L. marco, to mark]