An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
Kilkenny cats
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Two cats fabled, in an Irish story, to have fought till nothingwas left but their tails. It is probably a parable of a local contestbetween Kilkenny and Irishtown, which impoverished both towns.
Kilkenny cats meaning & definition 1 of Kilkenny cats.
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