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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
emerald green
a triphenylmethane dye of the malachite-green series (see malachite green) used in dilute solution as a topical antiseptic. Brilliant green is effective against gram-positive microorganisms. It has also been used to dye silk and wool. It occurs as small, shiny, golden crystals soluble in water or alcohol.
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