Definition of "strontia" [stron•ti•a]

• A pale earth composed of strontium oxide (SrO) (noun)

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• "Weigh five ounces of dry nitrate of strontia, one ounce and a half of finely-powdered sulphur, five drams of chlorate of potash, and four drams of sulphuret of antimony."
• "It states that if 10 per cent. of burnt magnesia, or even baryta, or strontia, is mixed (cold) with ordinary linseed-oil paint, and then enough mineral oil to envelop the alkaline earth, the free acid of the paint will be neutralized, while the iron will be protected by the permanent alkaline action of the paint."
• "The pigment, however, now sold as strontian yellow is usually formed by admixture, and contains no strontia whatever."