| mar | 1. To make defective; to do injury to, especially. By cutting off or defacing a part; to impair; to disfigure; to deface. "I pray you mar no more trees with wiring love songs in their barks." (Shak) "But mirth is marred, and the good cheer is lost." (Dryden) "Ire, envy, and despair Which marred all his borrowed visage." (Milton) 2. To spoil; to ruin. "It makes us, or it mars us." "Striving to mend, to mar the subject." Origin: OE. Marren, merren, AS. Merran, myrran (in comp), to obstruct, impede, dissipate; akin to OS. Merrian, OHG. Marrjan, merran; cf. D. Marren, meeren, to moor a ship, Icel. Merja to bruise, crush, and Goth. Marzjan to offend. Cf. Moor. Source: Websters Dictionary (01 Mar 1998) |
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| mara | A female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions. Origin: Icel. Mara nightmare, an ogress. See Nightmare. The principal or ruling evil spirit. Origin: Skr. Mara. <zoology> The Patagonian cavy (Dolichotis Patagonicus) Source: Websters Dictionary (01 Mar 1998) |
| marabou | 1. <zoology> A large stork of the genus Leptoptilos (formerly Ciconia), especially. The African species (L. Crumenifer), which furnishes plumes worn as ornaments. The Asiatic species (L. Dubius, or L. Argala) is the adjutant. See Adjutant. Alternative forms: marabu. 2. One having five eighths negro blood; the offspring of a mulatto and a griffe. Origin: F. Source: Websters Dictionary (01 Mar 1998) |
| maracan | <zoology> A macaw. Origin: Braz. Maracana. Source: Websters Dictionary (01 Mar 1998) |
| Maranon's sign | <clinical sign> In Graves' disease, a vasomotor reaction following stimulation of the skin over the throat. (05 Mar 2000) |
| Maranon's syndrome | <syndrome> A syndrome characterised by ovarian insufficiency, scoliosis, and flat-feet. (05 Mar 2000) |
| Maranon, Gregorio | <person> Spanish endocrinologist, 1887-1960. See: Maranon's sign, syndrome. (05 Mar 2000) |
| maranta | <botany> A genus of endogenous plants found in tropical America, and some species also in India. They have tuberous roots containing a large amount of starch, and from one species (Maranta arundinacea) arrowroot is obtained. Many kinds are cultivated for ornament. Source: Websters Dictionary (01 Mar 1998) |
| marantic | Synonym: marasmic. Origin: G. Marantikos, wasting (05 Mar 2000) |
| marantic atrophy | <medicine> A wasting of flesh without fever or apparent disease; a kind of consumption; atrophy; phthisis. "Pining atrophy, Marasmus, and wide-wasting pestilence." (Milton) Marasmus senilis [L], progressive atrophy of the aged. Origin: NL, fr. Gr, fr, to quench, as fire; pass, to die away. Source: Websters Dictionary (01 Mar 1998) |
| marantic endocarditis | Nonbacterial thrombotic endocarditis associated with cancer and other debilitating diseases. (05 Mar 2000) |
| marantic oedema | Oedema occurring in diseases characterised by wasting and hypoproteinaemia; due to low plasma oncotic pressure. Synonym: marantic oedema. (05 Mar 2000) |
| marasmic | Relating to or suffering from marasmus. Synonym: marantic. (05 Mar 2000) |
| marasmic thrombosis | Thrombosis due to feebleness of the circulation, as in marasmus. Synonym: marantic thrombosis, marasmic thrombosis. (05 Mar 2000) |
| marasmic thrombus | A thrombus formed in cases of marasmus or general debility. (05 Mar 2000) |