septarium

noun

Definition of septarium

plural

septaria

\-ə\
  1. :  a concretionary nodule usually of limestone or clay ironstone intersected within by cracks filled with calcite, barite, or other minerals — compare geode

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Origin and Etymology of septarium

New Latin, from 2sept- + Latin -arium


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WORD OF THE DAY

a rounded knoll or a ridge of ice

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