septarium

septarium

[sep-tair-ee-uhm]
noun, plural septaria [sep-tair-ee-uh] . Geology.
a concretionary nodule or mass, usually of calcium carbonate or of argillaceous carbonate of iron, traversed within by a network of cracks filled with calcite and other minerals.

Origin:
1775–85; < Neo-Latin sēptārium, equivalent to Latin sēpt(um) enclosure (see septum) + -ārium -arium

septarian, adjective
septariate [sep-tair-ee-it] , adjective
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World English Dictionary
septarium (sɛpˈtɛərɪəm)
 
n , pl -ia
a mass of mineral substance having cracks filled with another mineral, esp calcite
 
[C18: from New Latin, from Latin septum]
 
sep'tarian
 
adj

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