bone earth

American  

noun

1. bone ash.

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Etymology

Origin of bone earth

First recorded in 1850–55

Example Sentences

It was observed that many English fields exhausted in that manner immediately doubled their produce, as if by a miracle, when dressed with bone earth imported from the Continent.

From Familiar Letters on Chemistry by Liebig, Justus, Freiherr von

The modern Lingula is protected by a delicate two-valved shell, composed, unlike that of most other mollusks, of phosphate of lime or bone earth.

From The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants by Dawson, Sir J. William

From the bone earth there were taken fifteen knives, recognized, by the experienced antiquaries, as having been artificially formed.

From A Manual of the Antiquity of Man by MacLean, J. P. (John Patterson)

The bone earth, or phosphate of lime calculus.

From North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 by Bache, Franklin

On the other hand, we see that the gelatine of bones devoured by a dog entirely disappears, while only the bone earth is found in his excrements.

From Familiar Letters on Chemistry by Liebig, Justus, Freiherr von