| xerobates | (n) possible new genus for desert and Texas tortoises based on recent research, Syn. genus Xerobates |
| xeroderma | (n) a mild form of ichthyosis characterized by abnormal dryness and roughness of the skin, Syn. xerodermia |
| xeroderma pigmentosum | (n) a rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburn; inherited as a recessive autosomal trait in which DNA repair processes are defective so they are more likely to chromosome breaks and cancers when exposed to ultraviolet light |
| xerographic | (adj) of or relating to xerography |
| xerographic printer | (n) a page printer that uses the xerographic process |
| xerography | (n) forming an image by the action of light on a specially coated charged plate; the latent image is developed with powders that adhere only to electrically charged areas, Example: edge enhancement is intrinsic in xerography |
| xerophthalmia | (n) abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A, Syn. xeroma, conjunctivitis arida, xerophthalmus |
| xerophyllum | (n) small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae, Syn. genus Xerophyllum |
| xerophytic | (adj) adapted to a xeric (or dry) environment, Example: cacti are xerophytic plants; xerophytic adaptations |
| xeroradiography | (n) radiography using X-rays and xerographic (rather than roentgenographic) techniques |
| Xeroderma | ‖n. [ NL., fr. Gr. xhro`s dry + de`rma skin. ] (Med.) (a) Ichthyosis. (b) A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin. [ 1913 Webster ] |
| Xeronate | n. (Chem.) A salt of xeronic acid. [ 1913 Webster ] |
| Xeronic | a. [ Gr. xhro`s dry + citraconic. ] (Chem.) Pertaining to, or designating, an acid, C8H12O4, related to fumaric acid, and obtained from citraconic acid as an oily substance having a bittersweet taste; -- so called from its tendency to form its anhydride. [ 1913 Webster ] |
| Xerophagy | n. [ L. xerophagia, Gr. &unr_;; xhro`s dry + &unr_; to eat. ] Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts. [ 1913 Webster ] |
| Xerophilous | a. [ Gr. xhro`s dry + &unr_; to love. ] (Bot.) Drought-loving; able withstand the absence or lack of moisture. [ 1913 Webster ] Plants which are peculiarly adapted to dry climates are termed by De Candolle xerophilous. Goodale. [ 1913 Webster ] |
| Xerophthalmia | ‖n. [ L., fr. Gr. &unr_;; xhro`s dry + &unr_; the eye. See Ophthalmia. ] (Med.) An abnormal dryness of the eyeball produced usually by long-continued inflammation and subsequent atrophy of the conjunctiva. [ 1913 Webster ] |
| Xerophthalmy | n. (Med.) Xerophthalmia. [ 1913 Webster ] |
| Xerophyllum | pr. n. A small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae.
Syn. -- genus Xerophyllum. [ WordNet 1.5 ] |
| xerophyte | n. A plant adapted for life with a limited supply of water; compare hydrophyte and mesophyte.
Syn. -- desert plant, xerophytic plant, xerophile, xerophilous plant. [ WordNet 1.5 ] |
| xerophytic | adj. 1. (Botany) [ Gr. xhro`s dry + fyto`n a plant. ] Adapted to a xeric (or dry) environment; as, cacti are xerophytic plants; xerophytic adaptations. [ WordNet 1.5 ] |
