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Met`a*si*lic"ic (?), a. [Pref. meta-
+ silicic.] (Chem.) Designating an acid
derived from silicic acid by the removal of water; of or pertaining
to such an acid.

&fist; The salts of metasilicic acid are often called
bisilicates, in mineralogy, as Wollastonite
(CaSiO₃).

Metasilicic acid (Chem.), a
gelatinous substance, or white amorphous powder, analogous to
carbonic acid, and forming many stable salts.

Met`a*so"ma*tism (?), n. [Pref.
meta- + Gr. &?;, &?;, body.] (Geol.) 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.

Met"a*some (?), n. [Pref. meta-
+ -some body.] (Zoöl.) One of the component
segments of the body of an animal.

Met`a*stan"nate (?), n. (Chem.)
A salt of metastannic acid.


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