PolysilicicPol`y*si*lic"ic\, a. [Poly- + silicic.] (Chem.) Of or pertaining to compounds formed by the condensation of two or more molecules of silicic acid. Polysilicic acid (Chem.), any one of a series of acids formed by the condensation of two or more molecules of silicic acid, with elimination of water.
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a gadget; dingus; thingumbob.|
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