pachy-
(ˈpækɪ, pəˈkɪ)
before a vowel also pach-, combining form of Gr. παχύ-ς ‘thick, large, massive’, used in the formation of zoological, botanical, and pathological terms: ‖ pachyˈæmia = pachyhæmia. ‖ pachyblepharosis (-blɛfəˈrəʊsɪs) Path. [Gr. βλέϕαρον eyelid], chronic inflammatory thickening of the eyelid (Mayne Expos. Lex. 1857). pachycardian (-ˈkɑːdɪən) a. Zool. [Gr. καρδία heart], of or belonging to the Pachycardia, or main body of the vertebrates having a thick muscular heart; n., a vertebrate of this group. pachycarpous (-ˈkɑːpəs) a. Bot. [Gr. καρπός fruit], having large thick fruit (Mayne 1857). pachycephalic (-sɪˈfælɪk) a. [Gr. κεϕαλ-ή head], having a very thick skull, exhibiting pachycephaly. pachycephaline (-ˈsɛfəlaɪn) a. Ornith., of or pertaining to the Pachycephalinæ, the thick-heads or thick-headed shrikes. pachycephalous (-ˈsɛfələs) a. = pachycephalic; spec., of or pertaining to the Pachycephala, a division of parasitic Crustacea or fish-lice. pachycephaly (-ˈsɛfəlɪ), thickness of the skull. pachycholic (-ˈkɒlɪk) a. Path. [Gr. χολή bile], relating to pachycholia or morbid thickness of the bile (Mayne 1857). pachydactyl, -yle (-ˈdæktɪl) a. Zool. [Gr. δάκτυλος finger], having thick fleshy digits; n., an animal with thick toes (Webster 1864). pachyˈdactylous a. [-ous], = prec. a. ‖ pachyˈdermia Path. [Gr. δέρµα skin], thickening of the skin; hence pachyˈdermial a. pachyˈemy = pachyhæmia; so pachyemic, pachyemous, adjs. (Mayne 1857). pachyˈglossal a. Zool. [Gr. γλῶσσα tongue], of or pertaining to the Pachyglossæ, lizards with short or thick fleshy tongues, or the Pachyglossi, a tribe of Parrots; so pachyˈglossate. pachyˈglossous a., thick-tongued (Mayne 1857). pachygnathous (pəˈkɪgnəθəs) a. [Gr. γνάθ-ος jaw], thick-jawed (Cent. Dict.). ‖ pachyˈhæmia [Gr. αἷµα blood], thickness of the blood; so pachyˈhæmic a., relating to pachyhæmia. pachyˈhæmous a., having thick blood (Syd. Soc. Lex. 1893). ‖ pachyhyˈmenia, pachyˈmenia Path. [Gr. ὑµήν membrane], thickening of the skin; hence pachyˈmenic, -hyˈmenic a., thick-skinned (Mayne 1857). ‖ pachyˈlosis (also pachu-): see quot. pachymeningitis (-mɛnɪnˈdʒaɪtɪs) Path. [meningitis], inflammation of the dura mater of the central nervous system, cerebral or spinal. ‖ pachyˈmeninx (-ˈmiːnɪŋks) [Gr. µῆνιγξ membrane], the dura mater (Syd. Soc. Lex. 1893). pachymeter (pəˈkɪmɪtə(r)) [-meter] (also pacho-), an instrument for measuring the thickness of glass, metal plates, paper, etc. pachyodont (ˈpækɪəʊdɒnt) a. [Gr. ὀδούς, ὀδόντ- tooth], having massive teeth. pachyˈopterous = pachypterous. pachyote (ˈpækɪəʊt) a. [Gr. οὖς, ὠτ- ear], having thick leathery ears; n., a thick-eared bat, of genus Pachyotus; so pachyˈotous a. (Syd. Soc. Lex. 1893). pachyphyllous (-ˈfɪləs) a. Bot. [Gr. ϕύλλον leaf], having thick leaves (Mayne). pachypod (ˈpækɪpɒd), pachypodous (pəˈkɪpəʊdəs) adjs. [Gr. πούς, ποδ- foot], having a large thick foot. pachypterous (pəˈkɪptərəs) a. [Gr. πτερόν wing, feather], having thick wings or fins, as an insect, a bat, or a fish. pachyrhynchous (-ˈrɪŋkəs) a. [Gr. παχύρρυγχος, f. ῥύγχος snout], having a large thick bill. pachysaurian (-ˈsɔːrɪən), a thick-skinned saurian. pachystichous (pəˈkɪstɪkəs), a. Bot. [Gr. στίχ-ος row, line], thick-sided, applied only to cells (Treas. Bot. 1866). pachytrichous (-ˈɪtrɪkəs), a. [Gr. θρίξ, τριχ- hair], having thick hair (Mayne 1857).
| 1878 Bartley tr. Topinard's Anthrop. v. 177 *Pachycephalic, skull with thick hypertrophied parietes. |
| 1858 Hitchcock Ichnol. Mass. 81 We should infer a larger number of *pachydactylous than leptodactylous animals to have made the tracks. |
| 1897 Allbutt's Syst. Med. IV. 832 Chronic inflammation of the mucous membrane of the larynx..may exist with the *pachydermial affection. |
| 1893 Syd. Soc. Lex., *Pachulosis,..Sir Erasmus Wilson's term for a skin disease in which there is hypertrophy of the epidermis. |
| 1866 A. Flint Princ. Med. (1880) 693 Acute *pachymeningitis is always suppurative, and is chiefly of surgical interest. 1899 Allbutt's Syst. Med. VI. 854 A certain degree of compression of the cord is caused by pachymeningitis. |
| 1884 Knight Dict. Mech. Suppl., *Pachymeter, a Viennese instrument which determines the thickness of paper to the 1-1000th of an inch. |
| 1842 Brande Dict. Sci. etc., *Pachyotes,..the name of a family of bats,..including those which have thick external ears. 1864 Webster, Pachyote. |
| 1857 Mayne Expos. Lex., Pachypodus,..applied by Gray to an Order [of molluscs] corresponding to the Conchifera Crassipedes of Lamarck: *pachypodous. |
| 1881 E. E. Frewer tr. Holub's 7 Yrs. S. Africa I. 140 In the abdomen of this *pachysaurian there is found a collection of lobulated fatty matter. |