septarium

American  

[sep-tair-ee-uhm] / sɛpˈtɛər i əm /

noun

Geology.

plural

septaria

1. a nodule or mass, such as of limestone or ironstone, formed by the addition of layers around a nucleus and having a network of cracks inside it filled with calcite and other minerals.

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septarium British  

/ sɛpˈtɛərɪəm /

noun

1. a mass of mineral substance having cracks filled with another mineral, esp calcite

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Other Word Forms

• septarian adjective
• septariate adjective

Etymology

Origin of septarium

First recorded in 1775–85; from New Latin sēptārium, equivalent to Latin sēpt(um) “enclosure” ( septum ) + -ārium -arium

Example Sentences

Septarium, sep-tā′ri-um, n. an ovate flattened nodule of argillaceous limestone or ironstone—turtle-stone:—pl.

From Project Gutenberg

These lines seem to consist of a fluid matter, which seems to have exsuded in circular zones, as their edges appear blunted or retracted; and the septarium seems to have split easier in such sections parallel to its equator.

From Project Gutenberg

About the tropics of the large septarium above mentioned, are circular eminent lines, such as might have been left if it had been coarsely turned in a lathe.

From Project Gutenberg