Sep*ta"ri*um (?), n.;pl. Septaria (#). [NL., fr. L. septum, saeptum, an inclosure, a partition, fr. sepire, saepire, to inclose.] Geol.

A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

 

© Webster 1913.

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