[ sep-tair-ee-uh m ]
/ sɛpˈtɛər i əm /

noun, plural sep·tar·i·a [sep-tair-ee-uh] /sɛpˈtɛər i ə/. 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 of septarium

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


sep·tar·i·an, adjectivesep·tar·i·ate [sep-tair-ee-it] /sɛpˈtɛər i ɪt/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for septarium

/ (sɛpˈtɛərɪəm) /

noun plural -ia (-ɪə)

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

Derived forms of septarium

septarian, adjective

Word Origin for septarium

C18: from New Latin, from Latin septum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012