| miascite | <chemical> A granitoid rock containing feldspar, biotite, elaeolite, and sodalite. Origin: Named from Miask, in the Ural Mountains. Source: Websters Dictionary (01 Mar 1998) |
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| miasma theory | An explanation of the origin of epidemics, based on the false notion that they were caused by air of bad quality, e.g., emanating from rotting vegetation in marshes or swamps. (05 Mar 2000) |
| miasmatical | Containing, or relating to, miasma; caused by miasma; as, miasmatic diseases. Origin: Cf. F. Miasmatique. Source: Websters Dictionary (01 Mar 1998) |
| miasmology | <study> That department of medical science which treats of miasma. Origin: Miasma. Source: Websters Dictionary (01 Mar 1998) |