gypseous

[jip-see-uhs]

adjective

1. of or relating to gypsum.

Word History and Origins

Origin of gypseous¹

From the Late Latin word gypseus, dating back to 1655–65. See gypsum, -eous

Example Sentences

Valuable beds of gypseous marl exist in the vicinity of the Wachita, which admit of being worked to great advantage.

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Gypseous marls, or calcareous marls containing a little gypsum, are preferred to limestone soils, as they allow of deep penetration of the roots of the vines.

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The mineral is slightly soluble in water, one part of gypsum being soluble, according to G. K. Cameron, in 372 parts of pure water at 26� C. Waters percolating through gypseous strata, like the Keuper marls, dissolve the calcium sulphate and thus become permanently hard or “selenitic.”

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This variety occurs in veins, often running through gypseous marls, with the fibres disposed at right angles to the direction of the vein.

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Amusingly, Dr Michel found that some words added to the “American Heritage Dictionary” in 2000, like “gypseous” or “amplidyne”, had been in widespread use a century earlier.

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