<B>xenograft, </B>noun.<DL COMPACT><DD> a graft of tissue taken from an individual of another species. </DL>
<A NAME="xenolith">
<B>xenolith, </B>noun.<DL COMPACT><DD> a fragment of older rock embedded in an igneous mass. </DL>
<A NAME="xenolithic">
<B>xenolithic, </B>adjective.<DL COMPACT><DD> of or having to do with a xenolith. </DL>
<A NAME="xenomania">
<B>xenomania, </B>noun.<DL COMPACT><DD> a fondness for what is foreign. </DL>
<A NAME="xenomorphic">
<B>xenomorphic, </B>adjective.<DL COMPACT><DD> of rock having a form different from the normal form because of pressure. adv. <B>xenomorphically.</B> </DL>
<A NAME="xenon">
<B>xenon, </B>noun.<DL COMPACT><DD> a heavy, colorless, odorless, inert gaseous chemical element, present in very small quantities in the air. Xenon is used in filling flashbulbs and vacuum tubes. Xenon is obtained from liquid air, and it forms compounds with fluorine and oxygen. <BR> <I>Ex. There was the moment of crisis at the start of the first Hanford reactor when the chain reaction threatened to die off because of the unexpectedly high neutron-capture cross section of an isotope of xenon (Bulletin of Atomic Scientists).</I> </DL>
<A NAME="xenophile">
<B>xenophile, </B>noun.<DL COMPACT><DD> a person who is friendly toward foreign persons or things. </DL>
<A NAME="xenophilia">
<B>xenophilia, </B>noun.<DL COMPACT><DD> friendship toward foreign persons or things. <BR> <I>Ex. American intellectuals themselves have debated the question ... with intermediate tinges of embarrassment, self-hate, xenophilia, and double-mindedness (Manchester Guardian Weekly).</I> </DL>
<A NAME="xenophobe">
<B>xenophobe, </B>noun.<DL COMPACT><DD> a person who fears or hates foreigners or strangers. <BR> <I>Ex. The vision of the melting pot, with its ideal of inclusiveness, has often been severely challenged by bigots and xenophobes of various stripe (Atlantic).</I> </DL>
<A NAME="xenophobia">
<B>xenophobia, </B>noun.<DL COMPACT><DD> a hatred or fear of foreigners or strangers. <BR> <I>Ex. The darkest cloud over the cultural landscape is that of steadily increasing xenophobia (Atlantic).</I> </DL>
<A NAME="xenophobic">
<B>xenophobic, </B>adjective.<DL COMPACT><DD> of or having to do with xenophobia. <BR> <I>Ex. A xenophobic view is taken in the Yemen of all foreigners (Sunday Times).</I> adv. <B>xenophobically.</B> </DL>
<A NAME="xenotime">
<B>xenotime, </B>noun.<DL COMPACT><DD> a yellowish-brown, natural phosphate of yttrium. It resembles zircon in form but is not as hard. </DL>
<A NAME="xer">
<B>xer-,</B><DL COMPACT><DD> (combining form.) the form of <B>xero-</B> before vowels,as in <BR> <I>Ex. xeric.</I> </DL>
<A NAME="xerarch">
<B>xerarch, </B>adjective.<DL COMPACT><DD> (Ecology.) originating in dry habitats. <BR> <I>Ex. a xerarch plant succession.</I> </DL>
<B>xero-,</B><DL COMPACT><DD> (combining form.) dry. <BR> <I>Ex. Xeroderma = (a disease characterized by) dry skin. Xerophilous = adapted to a dry climate.</I> <DL COMPACT><DD> Also, <B>xer-</B> before vowels. </DL>
</DL>
<A NAME="xeroderma">
<B>xeroderma, </B>noun.<DL COMPACT><DD> a disease characterized by dryness and discoloration of the skin. </DL>
<A NAME="xerogram">
<B>xerogram, </B>noun.<DL COMPACT><DD> a xerographic copy. </DL>
<A NAME="xerographic">
<B>xerographic, </B>adjective.<DL COMPACT><DD> of or having to do with xerography. <BR> <I>Ex. In the xerographic process the characters are optically projected onto the charged surface of a rotating selenium-coated drum (Hugo Gernsback).</I> adv. <B>xerographically.</B> </DL>
<A NAME="xerography">
<B>xerography, </B>noun.<DL COMPACT><DD><B> 1. </B>a dry printing process for making copies of letters, pictures, manuscripts, books, or other printed, written, or drawn material, by using electrically charged particles to make a positive photographic contact print. Paper is placed on a metal plate sprayed with electrons before exposure and dusted with black powder, and the image is transferred to the paper by heat. Xerography is used for printing such material as engineering drawings and ruled forms, and for making quick copies of office records and correspondence. <BR> <I>Ex. Other items that are speeded up by xerography are the budgets for circulation to directors, the minutes of board meetings and many other internal documents (London Times).</I> <DD><B> 2. </B><B>Xerography,</B> a trademark for this process. </DL>
<A NAME="xeroma">
<B>xeroma, </B>noun. <B>=xerophthalmia.</B></DL>
<A NAME="xeromorph">
<B>xeromorph, </B>noun.<DL COMPACT><DD> a plant adapted to saltwater marshes or highly alkaline soils. </DL>
<A NAME="xerophagy">
<B>xerophagy, </B>noun, pl. <B>-gies.</B><DL COMPACT><DD> the practice of living on dry food, especially a form of abstinence in which only bread, herbs, salt, and water are consumed. <BR> <I>Ex. As for xerophagies, says Tertullian, they charge them with being a novel title for a pretended duty (Frederic W. Farrar).</I> </DL>
<A NAME="xerophilous">
<B>xerophilous, </B>adjective.<DL COMPACT><DD> adapted to a dry climate. <BR> <I>Ex. The cactus is a natural xerophilous plant.</I> </DL>
<A NAME="xerophily">
<B>xerophily, </B>noun.<DL COMPACT><DD> the condition or character of being xerophilous. </DL>
<A NAME="xerophthalmia">
<B>xerophthalmia, </B>noun.<DL COMPACT><DD> an abnormal condition of mucous membrane of the eyeball, characterized by dryness and thickness, and often accompanied by night blindness or day blindness. <BR> <I>Ex. Malaria and yaws have been practically eliminated in central Java, but one now finds disquieting evidence of clinical malnutrition ... and xerophthalmia, the blindness of Vitamin A deficiency (New Scientist).</I> </DL>
<A NAME="xerophthalmic">
<B>xerophthalmic, </B>adjective.<DL COMPACT><DD> having to do with or characterized by xerophthalmia. </DL>
<A NAME="xerophyte">
<B>xerophyte, </B>noun.<DL COMPACT><DD> (Botany.) a plant that loses very little water and can grow in deserts or very dry ground. Cactuses, sagebrush, and century plants are xerophytes. </DL>
<A NAME="xerophytic">
<B>xerophytic, </B>adjective.<DL COMPACT><DD> (Botany.) of or having to do with a xerophyte. <BR> <I>Ex. This is at all times less frequented than the main beach, and here grow many xerophytic plants, and curlew and other wading birds here alight, where mud and sand mingle (Manchester Guardian).</I> </DL>
<A NAME="xerophytically">
<B>xerophytically, </B>adverb.<DL COMPACT><DD> in the manner of a xerophyte. </DL>
<A NAME="xerophytism">
<B>xerophytism, </B>noun.<DL COMPACT><DD> the quality or condition of being adapted to live in a very dry climate. </DL>
<A NAME="xeroradiograph">
<B>xeroradiograph, </B>noun.<DL COMPACT><DD> a picture made by xeroradiography. </DL>
<A NAME="xeroradiography">
<B>xeroradiography, </B>noun.<DL COMPACT><DD> a process of X-ray photography that uses an electrically charged metal plate instead of film. <BR> <I>Ex. A picture taken by xeroradiography can be developed in 15 seconds, without recourse to darkroom or wet chemicals (New Scientist).</I> </DL>
<A NAME="xerosis">
<B>xerosis, </B>noun.<DL COMPACT><DD> (Medicine.) abnormal dryness, as of the skin or the eyeball. </DL>
<A NAME="xerothermic">
<B>xerothermic, </B>adjective.<DL COMPACT><DD> (Biology.) both dry and hot. <BR> <I>Ex. a xerothermic environment.</I> </DL>
<A NAME="xerotic">
<B>xerotic, </B>adjective.<DL COMPACT><DD> (Medicine.) <DD><B> 1. </B>characterized by dryness; of the nature of xerosis. <DD><B> 2. </B>having to do with xerosis. </DL>
<A NAME="xerox">
<B>Xerox, </B>noun.<DL COMPACT><DD> (Trademark.) <DD><B> 1. </B>a dry process for making copies of written, typewritten, printed, or drawn materials by using electrically charged particles instead of ink and pressure to transfer the original copy from a metal plate to paper. <BR> <I>Ex. Microfilm takes weeks and is costly. Positive photostat takes time. What about Xerox? (Harper's).</I> <DD><B> 2. </B>a copying machine using this process. </DL>
<A NAME="xerox">
<B>xerox, </B>transitive verb, intransitive verb.<DL COMPACT><DD> to make copies by xerography. <BR> <I>Ex. We xeroxed thirty ... sample essays to be graded by all the teachers (New Yorker).</I> </DL>
<A NAME="xheight">
<B>x-height, </B>noun.<DL COMPACT><DD> (Printing.) <DD><B> 1. </B>the height of the lower-case x. <DD><B> 2. </B>the height of any lower-case letter without descenders or ascenders. </DL>
<A NAME="xhosa">
<B>Xhosa, </B>noun, pl. <B>-sa</B> or <B>-sas.</B><DL COMPACT><DD><B> 1. </B>a member of a group of Bantu tribes living mainly in the Transkei, east of Cape Province, in South Africa. <DD><B> 2. </B>the language of these tribes, closely related to Zulu. Also, <B>Xosa.</B> </DL>
<A NAME="xi">
<B>xi, </B>noun.<DL COMPACT><DD> the 14th letter of the Greek alphabet, corresponding to English X, x. </DL>
<A NAME="xi">
<B>X.i.</B> or <B>x-i.,</B><DL COMPACT><DD> (Finance.) ex interest. </DL>
<A NAME="xi">
<B>XI</B> (no periods),<DL COMPACT><DD><B> 1. </B>the Roman numeral for 11. <DD><B> 2. </B>(British Informal.) a team of eleven players, as in cricket. <BR> <I>Ex. The first XI, beaten by seven wickets (Punch).</I> </DL>
<A NAME="xint">
<B>x-int.,</B><DL COMPACT><DD> (Finance.) ex interest. </DL>
<A NAME="xion">
<B>-xion,</B><DL COMPACT><DD> (suffix. British.) a variant of <B>-tion,</B> as in <BR> <I>Ex. connexion.</I> </DL>
