Definify.com
Webster 1913 Edition
Vichy water
Vi′chy waˊter
,p
rop.
Noun.
A mineral water found at
Vichy
, France. It is essentially an effervescent aqueous solution
of sodium, calcium, and magnesium carbonates, with sodium and potassium chlorides; also, by extension, any artificial or natural water resembling in composition the Vichy water proper. Called also, colloquially, Vichy
.