kieselguhr brick
1diatomaceous earth — a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc. Also called diatomite /duy at euh muyt /, kieselguhr. [1880 85] * * * or kieselguhr Light coloured, porous, and friable sedimentary… …
2Aberdeenshire (historic) — County of Aberdeen Aberdeenshire within Scotland in 1890 Geography Status County (until 1975) …
