单词 | epicentral |
释义 | epicentraln.adj. A. n. Zoology. In a teleostean fish: a bone, cartilage, or ligament attached to a vertebra (often to the centrum) and located in the horizontal septum which divides the myotomes. ΘΚΠ the world > animals > fish > parts of fish > [noun] > bones (various types of) grate1481 pharyngeal1791 suboperculum1818 supratemporal1834 shackle-joint1837 mastoid1840 wrist1840 mastoid bone1841 subopercular1841 mesotympanic1846 suprascapula1846 hypobranchials1848 hypotympanic1848 urohyal1848 radius1854 epicentral1866 pterotic1866 mesocoracoid1868 supraclavicle1868 precoracoid1869 symplectic1870 hypural1871 mesopterygoid1871 post-temporal1871 postclavicle1872 brachial1873 urostyle1875 hypercoracoid1876 admaxillary1885 intercalarium1887 palatopterygoquadrate1888 subtectal1888 Weberian apparatus1889 Weberian ossicles1889 radial1890 supracleithrum1903 1866 R. Owen On Anat. Vertebr. I. 43 These ‘scleral’ spines [of fishes] are termed, according to the vertebral element they may adhere to, ‘epineurals’, ‘epicentrals’, and ‘epipleurals’. 1888 Proc. 36th Meeting Amer. Assoc. Advancem. Sci. 259 The apex of the cartilage is anterior to and slightly overlaps the distal extremity of the epicentral belonging to the segment in which the cartilage is developed. 1965 Copeia No. 4. 460 There is an increase in size from the first to the third epicentral. 1995 C. Patterson & G. D. Johnson Intermuscular Bones & Ligaments Teleostean Fishes 2/1 When all three series of intermuscular bones are present, as in Clupea, discriminating them is easy, and the horizontal septum (containing the epicentrals) is a useful criterion. 2003 Proc. Royal Soc. B. 270 s3/2 Various protacanthopterygians have rod-like cartilaginous epicentrals in the horizontal septum. B. adj. 1. Zoology. Of the nature of an epicentral. Also: designating a series of epicentrals. ΚΠ 1866 R. Owen On Anat. Vertebr. I. 43 In Esox and Thymallus the epineural and epicentral spines are present. 1893 University of Pennsylvania Bull. June 8/1 The arrangement of the epineural, epipleural and epicentral series of bones were traced in connection with the ventral plates. 1962 Bull. Brit. Mus. (Nat. Hist.): Geol. 5 8 Faint traces of epineural and epicentral bones can be detected in two specimens. 1995 C. Patterson & G. D. Johnson Intermuscular Bones & Ligaments Teleostean Fishes 3/1 When a teleost appears to lack one of the three series of intermuscular bones, that series (most commonly the epicentral series) may be represented by ligaments alone. 2004 Copeia No. 4. 754/2 The anteroventral tips of the epineurals of vertebrae 3–8 are attached to the corresponding rib by means of the epicentral ligament. 2. Seismology. Of or relating to the epicentre of an earthquake. epicentral distance n. the distance of an earthquake's epicentre from a particular seismographic station. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [adjective] > earthquake > epicentre or epifocus epicentral1887 epifocal1898 1887 Science 21 Jan. 51/2 The data relating to the epicentral localities and their immediate neighborhood are quite full, and it is expected they will prove instructive and suggestive. 1903 Tokyo Sugaku-butsurigakkwai Hokoku 2 151 The transit velocity has been determined according to the formula where v and V represent the respective transit velocities..and d the epicentral distance. 1962 N.Z. Jrnl. Geol. & Geophysics 5 865 The Benioff seismographs yielded many records of small earthquakes having epicentral distances up to about 400 km. 1983 New Scientist 20 Oct. 171/2 In 1926 he [sc. C. Davison] moved the epicentre of an earthquake to lie under Hereford despite the unequivocal epicentral damage to houses 40 km to the north. 2012 Brownsville (Texas) Herald 22 Apr. b10/2 The epicentral area of the massive earthquake was estimated to be in areas off northern Sanriku. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). < n.adj.1866 |
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