| argil | <chemical> Clay, or potter's earth; sometimes pure clay, or alumina. See Clay. Origin: F. Argile, L. Argilla white clay, akin to Gr. Or argil, white. See Argent. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| argillaceous | Of the nature of clay; consisting of, or containing, argil or clay; clayey. <geology> Argillaceous sandstone, a sandstone containing much clay. Argillaceous iron ore, the clay ironstone. Argillaceous schist or state. See Argillite. Origin: L. Argillaceus, fr. Argilla. Source: Websters Dictionary (01 Mar 1998) |
| argillite | <chemical> Argillaceous schist or slate; clay slate. Its colours is bluish or blackish gray, sometimes greenish gray, brownish red, etc. Argillit"ic. Origin: Gr. Clay. Source: Websters Dictionary (01 Mar 1998) |