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

peanut worm
peapod
peapods
pear
pear
pear-shaped
pear-shaped area
pearce
pearced
pearces
pearcing
peare
peares
pearl
pearl
pearl-ash (current term)
pearl-fish
pearl-weed
pearl-worker's disease
pearlash
pearlashes
pearled
pearler
pearlers
pearlescence
pearlescences
pearlescent
pearlfish
pearlfish
pearlier

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