单词 | homodromous |
释义 | homodromousadj. Running in the same direction: opposed to heterodromous. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > lever > [adjective] > specific types heterodromous1710 homodromous1710 1710 J. Harris Lexicon Technicum II. at Homodromus Of this Homodrom [o] us kind of Leavers, are the Rudders and Oars of Ships and Boats. b. Botany. Turning in the same direction, as two generating spirals of a phyllotaxis (e.g. on the main stem and on a branch). ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > homodromous or heterodromous antidromal1849 homodrome1849 homomalous1854 heterodromous1861 homodromous1861 homodromal1866 antidromous1878 1861 R. Bentley Man. Bot. i. iii. 141 When leaves are alternate, these taken as a whole form a spiral round the axis... In the majority of cases, the direction in both the stem and branches is the same, and it is then said to be homodromous; but instances..occur in which the direction is different, when it is called heterodromous. 1878 M. T. Masters Henfrey's Bot. 273 An inflorescence homodromous with the principal axis. Derivatives hoˈmodromal adj. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > homodromous or heterodromous antidromal1849 homodrome1849 homomalous1854 heterodromous1861 homodromous1861 homodromal1866 antidromous1878 1866 J. Lindley & T. Moore Treasury Bot. Homodromal, having all the spires turned the same way. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 171 Two spirals are constructed..the two are homodromal, running in the same direction round the stem. ˈhomodrome adj. = b. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > homodromous or heterodromous antidromal1849 homodrome1849 homomalous1854 heterodromous1861 homodromous1861 homodromal1866 antidromous1878 1849 J. H. Wilson tr. A. de Jussieu Elements Bot. 192 This series of axes is either homodrome or heterodrome. hoˈmodromy n. homodromous condition. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [noun] > homodromy or heterodromy homodromy1880 heterodromy1886 1880 A. Gray Struct. Bot. 415/2 Homodromy. This entry has not yet been fully updated (first published 1899; most recently modified version published online September 2021). < adj.1710 |
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