septarium
noun
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.
septaria
-
pluralof septarium.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The advance of the sea is much accelerated by the traffic carried on in septaria, which are shipped off for cement as fast as they fall down upon the beach.
From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Sir Charles Lyell
It is thinly charged with rolled pebbles, septaria, and pieces of a bituminous shale, containing broken Belemnites, and sorely-flattened Ammonites, that exist as thin films of a white chalky lime.
From The Cruise of the Betsey or, A Summer Ramble Among the Fossiliferous Deposits of the Hebrides. With Rambles of a Geologist or, Ten Thousand Miles Over the Fossiliferous Deposits of Scotland by W. S. (William Samuel) Symonds
In Alum Bay the London clay, about 400 ft. in thickness, consists of clays, chiefly dark blue, with sands, and lines of septaria.
From The Geological Story of the Isle of Wight by J. Cecil Hughes
There are also Panopæa intermedia, and in septaria Pinna affinis.
From The Geological Story of the Isle of Wight by J. Cecil Hughes
This clay is more than forty feet thick, of a dark bluish-grey colour, and, like that of Rupelmonde, contains septaria.
From The Student's Elements of Geology by Sir Charles Lyell
