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A fine white claylike mineral, soft, and light enough when in dry masses to float in water. It is a hydrous silicate of magnesia, and is obtained chiefly in Asia Minor. It is manufacturd into tobacco pipes, cigar holders, etc. Also called sepiolite.

steel-gray mineral, consisting chiefly of the oxides of iron and titanium. It is commonly massive, but occurs also in rhombohedral crystals. Called also titanic iron ore, and ilmenite.

ineral, grayish white or yellowish, occuring in delicate groups of crystals, also fibrous massive. It is a hydrous silicate of alumina, lime, and soda.

Mass; church service. [Obs.] Chaucer.

The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble. Murchison.

An alteration in a mineral or rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; -- opposed to ordinary metamorphism, as implying simply a recrystallization. -- Met`a*so*mat"ic, a.

Those animals in which the protoplasmic mass, constituting the egg, is converted into a multitude of cells, which are metamorphosed into the tissues of the body. A central cavity is commonly developed, and the cells around it are at first arranged in two layers, -- the ectoderm and endoderm. The group comprises nearly…

A mass of stone or iron which has fallen to the earth from space; an aërolite.

Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline.

The incorporated materials for gunpowder, in the form of a dense mass or cake, ready to be subjected to the process of granulation.

The mass of common people; -- with the article the. For the play, I remember, pleased not the million. Shak.

A particular feature or trait. [Obs.] Massinger.

rilliant red pigment, consisting of an oxide of lead, Pb3O4, obtained by exposing lead or massicot to a gentle and continued heat in the air. It is used as a cement, as a paint, and in the manufacture of flint glass. Called also red lead.

A mass or mixture of various things; a medley; esp., a collection of compositions on various subjects. 'T is but a bundle or miscellany of sin; sins original, and sins actual. Hewyt. Miscellany madam, a woman who dealt in various fineries; a milliner. [Obs.] B. Jonson.

The service or sacrifice of the Mass.

The book containing the service of the Mass for the entire year; a Mass book.

To perform Mass. [Obs.] Milton.

Ladyship, a style of address; -- with the personal pronoun. [Obs.] Massinger.

e substances with each other, or of one substance with others; to unite or blend into one mass or compound, as by stirring together; to mingle; to blend; as, to mix flour and salt; to mix wines. Fair persuasions mixed with sugared words. Shak.

An ingredient entering into a mixed mass; an additional ingredient. Cicero doubts whether it were possible for a community to exist that had not a prevailing mixture of piety in its constitution. Addison.