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  • Webster's Revised Unabridged Dictionary
    • n Smectite (Min) A hydrous silicate of alumina, of a greenish color, which, in certain states of humidity, appears transparent and almost gelatinous.
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Century Dictionary and Cyclopedia
    • n smectite A massive, clay-like mineral, of a white to green or gray color: it is so called from its property of taking grease out of cloth, etc.
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Chambers's Twentieth Century Dictionary
    • n Smectite smek′tīt a greenish clay.
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Webster's Revised Unabridged Dictionary
G. smectit, fr. Gr. a kind of fuller's earth, fr. to wipe off
Chambers's Twentieth Century Dictionary
Gr. smēktissmēchein, to rub.


In science:

Marteinsson VTh, Kristj´ansson JK, Kristmannsd¨ottir H et al. (2001) Discovery of giant submarine smectite cones on the seafloor in Eyjafjordur, Northern Iceland, and a novel thermal microbial habitat.
Magnetism, FeS colloids, and Origins of Life
Consideration will first be given to electric double-layers around infinitely thin, uniformly charged circular or square platelets, which constitute a reasonable model of smectite clay particles, and in particular of the widely studied synthetic Laponite mineral particles.
Effective interactions between electric double-layers