| macle | <chemical> Chiastolite; so called from the tessellated appearance of a cross-section. See Chiastolite. A crystal having a similar tessellated appearance. A twin crystal. Origin: L. Macula a spot: cf. F. Macle. Cf. Mackle, Mascle. Source: Websters Dictionary (01 Mar 1998) |
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| macled | 1. <chemical> Marked like macle (chiastolite). Having a twin structure. See Twin. 2. See Mascled. Source: Websters Dictionary (01 Mar 1998) |
| Macleod's rheumatism | Rheumatoid arthritis with abundant serous effusion in the affected joints. (05 Mar 2000) |
| Macleod's syndrome | A state in which the roentgenographic density of one lung (or one lobe) is markedly less than the density of the other(s) because of the presence of air trapped during expiration. Synonym: Macleod's syndrome, Swyer-James syndrome. (05 Mar 2000) |
| Macleod, Roderick | <person> Scottish physician, 1795-1852. See: Macleod's rheumatism. (05 Mar 2000) |
| Macleod, William Mathieson | <person> British physician, 1911-1977. See: Macleod's syndrome, Swyer-James-MacLeod syndrome. (05 Mar 2000) |