before a vowel xen-, repr. Gr. ξενο-, ξεν-, combining form of ξένος a guest, stranger, foreigner, adj. foreign, strange; used in various scientific and other terms; for those not found here, see their alphabetical places. Xenacanthine Zool. [ad. mod.L. Xenacanthini pl., f. Gr. ἅκανθα spine], a. belonging to the extinct order Xenacanthini of selachian fishes, with long slender spines; sb. a fish of this order. Xenarthral a. Zool. [Gr. ἅρθρον joint], having peculiar accessory articulations in the vertebræ, as the American edentates. Xenobiosis Zool. [Gr. βίωσις manner of life], a form of symbiosis among ants in which two colonies of different species live together on friendly terms without rearing their broods in common. Xenoderm Zool. [mod.L. Xenoderma, f. Gr. δέρμα skin], a snake of the genus Xenoderma or sub-family Xenodermatinæ (mod. Dicts.). Xenogamy Bot. [Gr. γάμος marriage], fertilization by pollen from another plant of the same species; cross-fertilization. Xenogenesis Biol. [GENESIS], (supposed) production of offspring permanently unlike the parent (cf. HETEROGENESIS 3); so Xenogenetic, Xenogenic adjs., pertaining to or of the nature of xenogenesis; Xenogeny, xenogenesis. Xenogenous a. Path. (see quot.). Xenolite Min. [-LITE], a silicate of aluminium, allied to fibrolite. Xenomania, a mania or insane fancy for foreigners, or for something foreign; hence Xenomaniac, a person affected with ‘xenomania.’ Xenomorphic a. Geol. [Gr. μορφή form], applied to mineral constituents of a rock having a form different from the normal in consequence of the pressure of other constituents. Xenoparasite, Xenoparasitism Biol. (see quot.). Xenophilism nonce-wd. [Gr. φίλος loving, friendly], love of foreigners or of something foreign. Xenophoby nonce-wd. [Gr. φόβος fear], fear of foreign persons or things; so Xenophobic a. characterized by this. Xenophoran a. Zool. [f. mod.L. Xenophora, f. Gr. -φορος carrying], belonging or allied to the genus Xenophora (carrier-shells) of gastropod mollusks, distinguished by the habit of cementing stones and other foreign bodies to their shells. Xenopterygian Zool. [Gr. πτέρυξ wing, fin], a. belonging to the suborder Xenopterygii of fishes, with spineless fins, scaleless skin, and a complex sucking-disk between the ventral fins; sb. a fish of this suborder. Xenurine Zool. [f. mod.L. Xenurus, f. Gr. οὐρά tail], a. belonging to the genus Xenurus of armadillos, having the tail nearly naked; sb. an armadillo of this genus, a kabassou.
1885. Stand. Nat. Hist. (1888), V. 66. The geographical distribution of the Edentates.,.. To America belong the *xenarthral or many-jointed forms.
1901. W. M. Wheeler, in Amer. Naturalist, July, 535. *Xenobiosis…. The best-known guest ant is the European Formicoxenus nitidulis.
1877. Darwin, Lett. (1903), II. 413. Some such terms as autogamy, *xenogamy, etc.
1870. Huxley, Pres. Addr. Brit. Assoc., Rep., p. lxxvii. The tern Heterogenesis … has … been used in a different sense, and M. Milne-Edwards has therefore substituted for it *Xenogenesis. Ibid., p. lxxxv. The analogy of pathological modification … is in favour of the *xenogenetic origin of microzymes.
1901. Dorland, Med. Dict. (ed. 2), *Xenogenous, caused by a foreign body, or originating outside the organism. Ibid. (ed. 7, 1913) adds 2. Formed or developed in the host: a term applied to toxins formed by the action of stimuli on the cells of the host.
1844. Dana, Min. (1868), 374. *Xenolite … resembles fibrolite … excepting in the high specific gravity.
1879. K. Hillebrand, in 19th Cent., Oct., 626. Germany received the first caresses of this strange *xenomania from the hands of youthful Carlyle and old Coleridge.
1887. Saintsbury, Hist. Elizab. Lit., iv. 136. No writer of the period has such a command of pure English, unadulterated by xenomania and unweakened by purism, as Daniel.
1879. Daily News, 30 Sept., 5/1. Are we all *Xenomaniacs, and is it such a terrible drawback if we are?
1891. Illustr. Lond. News, 7 Feb., 168/2. Sir Arthur Sullivan was never the least bit of a xenomaniac.
1888. Hatch, in Teall, Brit. Petrography, Gloss., 423. Allotriomorphic, a term applied by Rosenbusch … in contradistinction to idiomorphic. It is synonymous with *xenomorphic.
1905. E. S. Salmon, in Ann. Bot., Jan., 127. To describe cases where a form of a Fungus which is specialized to certain host-plants … proves able to infect injured parts of a strange host, I propose the terms *xenoparasite and *xenoparasitism.
1912. W. Sickert, in English Review, April, 147. Lest the writer be accused of Xenophilism.
1912. Nation, 11 May, 214/1. The popular attitude with regard to external politics is one of crude and *xenophobic Imperialism.
1909. Athenæum, 13 March, 325/3. Those whose sense of justice … is not impaired by prejudice or *‘xenophoby.’
1898. Q. Jrnl. Microsc. Sci., June, 308. No Stromboid, Naticoid, or Xenophoran molluscs have been found hitherto in any fresh water that is known.
1885. Stand. Nat. Hist. (1888), V. 50. The Kabassous, or *Xenurines, have the third as well as the fourth and fifth metacarpals abbreviated and broad.
