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2 definitions found
 for Fatty clays
From The Collaborative International Dictionary of English v.0.48 :

  Fatty \Fat"ty\, a.
     Containing fat, or having the qualities of fat; greasy;
     gross; as, a fatty substance.
     [1913 Webster]
     Fatty acid (Chem.), any one of the paraffin series of
        monocarbonic acids, as formic acid, acetic, etc.; -- so
        called because the higher members, as stearic and palmitic
        acids, occur in the natural fats, and are themselves
        fatlike substances.
     Fatty clays. See under Clay.
     Fatty degeneration (Med.), a diseased condition, in which
        the oil globules, naturally present in certain organs, are
        so multiplied as gradually to destroy and replace the
        efficient parts of these organs.
     Fatty heart, Fatty liver, etc. (Med.), a heart, liver,
        etc., which have been the subjects of fatty degeneration
        or infiltration.
     Fatty infiltration (Med.), a condition in which there is an
        excessive accumulation of fat in an organ, without
        destruction of any essential parts of the latter.
     Fatty tumor (Med.), a tumor consisting of fatty or adipose
        tissue; lipoma.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Clay \Clay\ (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D.
     klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue,
     Gr. gloio`s glutinous substance, E. glue. Cf. Clog.]
     1. A soft earth, which is plastic, or may be molded with the
        hands, consisting of hydrous silicate of aluminium. It is
        the result of the wearing down and decomposition, in part,
        of rocks containing aluminous minerals, as granite. Lime,
        magnesia, oxide of iron, and other ingredients, are often
        present as impurities.
        [1913 Webster]
     2. (Poetry & Script.) Earth in general, as representing the
        elementary particles of the human body; hence, the human
        body as formed from such particles.
        [1913 Webster]
              I also am formed out of the clay.     --Job xxxiii.
        [1913 Webster]
              The earth is covered thick with other clay,
              Which her own clay shall cover.       --Byron.
        [1913 Webster]
     Bowlder clay. See under Bowlder.
     Brick clay, the common clay, containing some iron, and
        therefore turning red when burned.
     Clay cold, cold as clay or earth; lifeless; inanimate.
     Clay ironstone, an ore of iron consisting of the oxide or
        carbonate of iron mixed with clay or sand.
     Clay marl, a whitish, smooth, chalky clay.
     Clay mill, a mill for mixing and tempering clay; a pug
     Clay pit, a pit where clay is dug.
     Clay slate (Min.), argillaceous schist; argillite.
     Fatty clays, clays having a greasy feel; they are chemical
        compounds of water, silica, and aluminia, as halloysite,
        bole, etc.
     Fire clay, a variety of clay, entirely free from lime,
        iron, or an alkali, and therefore infusible, and used for
        fire brick.
     Porcelain clay, a very pure variety, formed directly from
        the decomposition of feldspar, and often called kaolin.
     Potter's clay, a tolerably pure kind, free from iron.
        [1913 Webster]

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