bone ash

noun

a white ash obtained by calcining bones, used as a fertilizer and in the making of bone china.

Also called bone· earth·.

Origin of bone ash

First recorded in 1615–25

Words nearby bone ash

bondstone, bondswoman, bonduc, bondwoman, bone, bone ash, bone bed, bone block, bone canaliculus, bone cell, bone china

Example sentences from the Web for bone ash

Bone-ash varies considerably in price, but of late samples containing 70 per cent of phosphates have sold as low as £4: 10s.

Elements of Agricultural Chemistry |Thomas Anderson
The floor of the muffle is protected with a layer of bone-ash, which absorbs any oxide of lead that may be accidentally spilt.

A Textbook of Assaying: For the Use of Those Connected with Mines. |Cornelius Beringer and John Jacob Beringer
The buttons are removed from the cupel with a pair of pliers and then brushed to remove adherent litharge and bone-ash.

A Textbook of Assaying: For the Use of Those Connected with Mines. |Cornelius Beringer and John Jacob Beringer
When heated in a closed retort, bones are not converted into bone-ash, but into a body called bone-char.

Manures and the principles of manuring |Charles Morton Aikman

The bone-ash is used moistened with a quantity of water, sufficient to make the particles adhere firmly together.

A Dictionary of Arts, Manufactures and Mines |Andrew Ure

British Dictionary definitions for bone ash

bone ash

noun

the residue obtained when bones are burned in air, consisting mainly of calcium phosphate. It is used as a fertilizer and in the manufacture of bone china

BROWSE DICTIONARY

Learning

bone ash

noun

Origin of bone ash

Words nearby bone ash

Example sentences from the Web for bone ash

British Dictionary definitions for bone ash

noun

BROWSE DICTIONARY

Learning

bone ash

noun

Origin of bone ash

Words nearby bone ash

Example sentences from the Web for bone ash

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noun

British Dictionary definitions for bone ash