from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, relating to, or containing gypsum.

from The Century Dictionary.

  • Of the nature of gypsum; partaking of the qualities of gypsum; resembling gypsum.
  • In botany, very dull grayish-white.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Resembling or containing gypsum; partaking of the qualities of gypsum.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Containing gypsum


from The American Heritage® Dictionary of the English Language, 4th Edition

[From Late Latin gypseus, from Latin gypsum, gypsum; see gypsum.]


  • The oldest is the Gehannam Formation (ca 40-41 million years old) consisting of white marly limestone and gypseous shale and yielding many skeletons of archaic whales (archaeocetes), sirenians (sea cows), shark teeth, turtles, and crocodilians.

    Wadi Al-Hitan (Whale Valley), Egypt

  • A little to the left, sheltered from the boreal wind by the white gypseous ridge, Ras el-Târah (“the Head that surrounds”), and flanked at both ends by its triangular reefs, the Sharm Makná, the past and future port of the mines, supports the miniature gunboat no larger than a “cock,” and the Sambúk dwarfed to a buoy.

    The Land of Midian

  • Cap the whole with the mighty double quoin of gypseous Jebel el-Kharaj, buttressing the eastern flank of its valley, and with the low, dark metal-revetted hills of the Kalb el-Nakhlah, a copy of the Fahísát.

    The Land of Midian

  • It probably represents a remnant of the old terrace which, like the Secondary gypseous formation, has been torn to pieces by the volcanic region to the east, and by the plutonic upheavals to the west.

    The Land of Midian

  • This gypseous or Secondary formation was found to extend, not only over the adjacent hills, but everywhere along the road to

    The Land of Midian

  • The superiority which is claimed for Burton ales is attributed to the use of well-water impregnated with sulphate of lime derived from the gypseous deposits of the district.

    Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"

  • Red Rivers, which are tinged with red mud, derived from rocks of porphyry and red gypseous clays in 'the far west.'

    The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)

  • The "Onondaga Giant" is the work of the sculptor, and out of a single large block of the gypseous limestone (an upper member of the "Onondaga Salt Group") which forms large beds in the immediate vicinity.

    The American Goliah

  • It is well known that the stream of the Mississippi is charged with sediment of a different colour from that of the Arkansas and Red Rivers, which are tinged with red mud, derived from rocks of porphyry and red gypseous clays in ‘the far west.

    II. Uniformity Of Change

  • In the immediate neighbourhood of Illetzkaya-Zastchita there are two or three gypseous hillocks, and a cavern in one of these is used by the inhabitants as a cellar, having been artificially enlarged for that purpose.

    Ice-Caves of France and Switzerland


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