Definition of Pearl-ash

1. Noun. A gray-white powder having chemical properties of quicklime made by heating mollusk shells to a temperature sufficient to calcine it. ¹

¹ Source: wiktionary.com

Medical Definition of Pearl-ash

1. A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; hence The impure potassium carbonate obtained by leaching wood ashes, and evaporating the lye, or as a white crystalline pearl-ash. It has previously been an important source of potassium compounds, and previously used in making soap, glass, etc. Synonym: caustic potash. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Pearl-ash

pear haw
pear hawthorn
pear of anguish
pear tree
pear trees
pearce
pearced
pearceite
pearces
pearch
pearches
pearcing
peare
peares
pearl
pearl-ash (current term)
pearl-bordered fritillaries
pearl-bordered fritillary
pearl-fish
pearl-necklace
pearl-weed
pearl-worker's disease
pearl ash
pearl barley
pearl cyst
pearl diver
pearl divers
pearl fishery
pearl grey
pearl hominy

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