septarium

 [sep-tair-ee-uhm]  

sep·tar·i·um

   [sep-tair-ee-uhm]
noun, plural sep·tar·i·a  [-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

Related forms
sep·tar·i·an, adjective
sep·tar·i·ate  [sep-tair-ee-it] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Septarium is always a great word to know.
So is soil. Does it mean:
portion of the earth's surface consisting of disintegrated rock and humus
ratio of the volume of the pores of a substance to the total volume of the mass
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Collins
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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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