Hypertext Webster Gateway: "Alquifou"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Alquifou \Al"qui*fou\, n. [Equiv. to arquifoux, F. alquifoux,
Sp. alquif['o]l, fr. the same Arabic word as alcohol. See
{Alcohol}.]
A lead ore found in Cornwall, England, and used by potters to
give a green glaze to their wares; potter's ore.
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