| xanthiuria | 1. Excretion of abnormally large amounts of xanthine in the urine. 2. A disorder resulting from defective synthesis of xanthine oxidase, characterised by urinary excretion of xanthine in place of uric acid, hypouricaemia, and, in some cases, the formation of xanthine stones; autosomal recessive inheritance. Synonym: xanthiuria, xanthuria. Origin: xanthine + G. Ouron, urine (05 Mar 2000) |
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| xantho- | <prefix> A combining form meaning yellow; as in xanthocobaltic salts. Used also adjectively in chemistry. Origin: Gr. Xanqos = yellow (29 Oct 1998) |
| xanthoastrocytoma | <tumour> Pleomorphic xanthoastrocytoma, a rare variant of astrocytoma usually presenting early in life with seizures. The tumour is superficially located and composed of pleomorphic glial cells, lipidised astrocytes, and perivascular lymphocytes. Synonym: xanthoastrocytoma. (05 Mar 2000) |
| xanthocarpous | <botany> Having yellow fruit. Origin: Gr. Karpos = fruit. (27 Oct 1998) |
| xanthochroi | <ethnology> A division of the Caucasian races, comprising the lighter-coloured members. "The Xanthochroi, or fair whites, . . . Are the prevalent inhabitants of Northern Europe, and the type may be traced into North Africa, and eastward as far as Hindostan." (Tylor) Origin: NL. See Xanthochroic. Source: Websters Dictionary (01 Mar 1998) |
| xanthochroia | The occurrence of patches of yellow colour in the skin, resembling xanthoma, but without the nodules or plates. Synonym: cholesteroderma, xanthochroia, xanthoderma, xanthopathy, yellow disease, yellow skin. Origin: xantho-+ G. Chroma, colour (05 Mar 2000) |
| xanthochroic | <ethnology> Having a yellowish or fair complexion; of or pertaining to the Xanthochroi. Origin: Gr. Chroa = colour. (27 Oct 1998) |
| xanthochromatic | Yellow-coloured. Synonym: xanchromatic, xanthochromic. (05 Mar 2000) |
| xanthochromia | The occurrence of patches of yellow colour in the skin, resembling xanthoma, but without the nodules or plates. Synonym: cholesteroderma, xanthochroia, xanthoderma, xanthopathy, yellow disease, yellow skin. Origin: xantho-+ G. Chroma, colour (05 Mar 2000) |
| xanthochromic | Yellow-coloured. Synonym: xanchromatic, xanthochromic. (05 Mar 2000) |
| xanthochroous | Light-skinned; Having a fair yellowish complexion; blond. Origin: xantho-+ G. Chroa, complexion (05 Mar 2000) |
| xanthoderma | 1. Synonym: xanthochromia. 2. Any yellow colouration of the skin. Synonym: yellow skin. Origin: xantho-+ G. Derma, skin (05 Mar 2000) |
| xanthodont | One who has yellow teeth. Origin: xantho-+ G. Odous, tooth (05 Mar 2000) |
| xanthogen | <chemistry> The hypothetical radical supposed to be characteristic of xanthic acid. Synonym: persulphocyanogen. Source: Websters Dictionary (01 Mar 1998) |
| xanthogenate | <chemistry> A salt of xanthic acid. Source: Websters Dictionary (01 Mar 1998) |