单词 | homoeomorph |
释义 | homoeomorphn. Something that is homoeomorphous or homoeomorphic. Categories » a. Crystallography. ‘A substance exhibiting homœomorphism’ ( Cent. Dict.). b. Palaeontology. One of two or more homoeomorphous fossils or fossil species. ΘΚΠ the world > life > biology > organism > fossil > [noun] > types of astroite1610 belemnite1646 mussel-stone1660 scallop-stone1668 trochite1676 conchite1677 ophiomorphite1677 pectinite1677 worm-stone1677 musculite1681 serpent-stone1681 sugar-plum1681 glossopetraa1684 ague shell1708 forket1708 mytilite1727 grit1748 phytolithus1761 fairy beads1767 fairy fingers1780 fairy arrow1794 gryphite1794 ram's horn1797 hysterolite1799 tubulite1799 thunder-pick1801 celleporite1808 ceraunite1814 seraph1822 serpulite1828 coprolite1829 subfossil1831 pencil1843 trigonellite1845 buccinite1852 rudist1855 guide fossil1867 witch's cradle1867 coccolith1868 fairy cheeses1869 discolith1871 Portland screw1871 spiniferite1872 cyatholith1875 cryptozoon1883 sabellite1889 palaeospecies1895 homoeomorph1898 rudistid1900 megafossil1932 scolecodont1933 macrofossil1937 hystrichosphere1955 palynomorph1961 acritarch1963 molecular fossil1965 mitrate1967 1898 S. S. Buckman in Q. Jrnl. Geol. Soc. 54 453 The compressed species of the Arietidan Epoch, which are generally classed as Oxynotoceras, are, as their septal details show, certainly polygenetic homœomorphs. 1920 A. M. Davies Introd. Palaeontol. i. 29 The failure to discriminate between homoeomorphs has frequently led to mistakes in the correlation of strata. 1952 R. C. Moore et al. Invertebr. Fossils i. 34 Two convergent species, so similar as hardly to be distinguished on superficial characters, are called homeomorphs. c. Usually homeo-. Mathematics. A figure or a topological space that is homoeomorphic to some other one. ΘΚΠ the world > relative properties > number > geometry > [noun] > geometrical relation > element involved in conjugate1715 inverse curve1843 inverse1857 homoeomorph1926 1926 Trans. Amer. Math. Soc. 28 3 Such a Cn is the homeomorph of an n-dimensional polyhedron..whose faces are all simplicial cells. 1951 M. H. A. Newman Topol. Plane Sets of Points (ed. 2) iii. 61 Homeomorphism is an equivalence relation, and a space and its homeomorphs have all their topological properties in common. 1965 S. Barr Exper. Topol. vi. 70 Perhaps it is a Moebius in disguise—the homoeomorph of one? This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020). < n.1898 |
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