in medicine, an appellation given to any liquid, as wine or water, impregnated with particles of iron or steel.

Dr Monro, professor of anatomy at Edinburgh, by pouring a tincture of galls into common water, and dissolving therein a small quantity of sal martis, adding some filings of iron, and oil of vitrol, procured a water exactly like the natural chalybeat water; and he is of opinion, that where these are not to be had, the artificial water may be made to answer all their intentions, according to its being more or less closely kept, or exposed in the air or heat, &c.