D defs.my
Entry 1 sense Webster, 1913

Vichy water

/vēsh'-ē wôt'-ẽr/ · Vi·chy wa·ter · IPA
01 prop. n. A mineral water found at Vichy, France. It is essentially an effervescent aqueous solution of sodium, calcium, and magnesium carbonates, w…
  1. 1.
    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. Also: Vichy