— septarian , adj. — septariate /sep tair"ee it/ , adj.
/sep tair"ee euhm/ , n. , pl. septaria /-tair"ee euh/ . Geol.
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.
[ 1775-85; septarium, equiv. to L sept ( um ) enclosure (see SEPTUM) + - arium -ARIUM ]