单词 | heterochromatic |
释义 | heterochromaticadj. 1. Relating to or possessing more than one colour; relating to light or other radiation of more than one wavelength. Also figurative. ΘΚΠ the world > matter > colour > variegation > [adjective] fawa700 medleyc1350 freckledc1380 motleyc1380 pied1382 specked1382 vary1382 partyc1385 parted1393 peckleda1400 polymitec1425 sere-colouredc1425 vairc1425 discoloured?1440 motleyed1447 varying1488 sheld1507 fleckered1508 piet1508 mellay1515 particoloured1530 pickled1552 varied1578 mingled1580 partly coloured1582 chequered1592 medley-coloured1593 mingle-coloured1593 piebald1594 feathered1610 changeable1612 particolour1612 enamelled1613 variousa1618 pie-coloured1619 jaspered1620 gangean1623 versicolour1628 patchwork1634 damasked1648 variously-coloureda1660 variegateda1661 agated1665 varicoloured1665 damaska1674 various-coloureda1711 pieted1721 versicoloured1721 diversicoloured1756 mosaic1776 harlequin1779 spanged1788 calico1807 piety1811 varied-coloured1811 discolorate1826 heterochromous1842 jaspé1851 discolor1859 discolorous1860 jasperoid1876 damascened1879 heterochromatic1895 variotinted1903 batik1914 varihued1921 rumbled1930 damasky1931 pepper-and-salt1940 partihued1959 the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > monochromatic > polychromatic polychromatic1873 heterochromatic1924 heterochrome1933 1895 F. W. Oliver et al. tr. A. Kerner von Marilaun Nat. Hist. Plants II. 569 Contrasting with these heterochromatic species are those with homochromatic flowers, which..invariably present the same colour and pattern. 1924 Nature 30 Aug. 329/2 The use of absorbing screens in heterochromatic photometry. 1932 S. Duke-Elder Text-bk. Ophthalmol. I. xxii. 861 The comparison of the luminosities of lights of different colours comprises the science of heterochromatic photometry. 1937 Archit. Rev. 81 198/2 Heterochromatic harmonies, or harmonies of different hue. 1969 Nature 11 Oct. 162/2 Along each heterochromatic channel there is..a positional as well as a wavelength variation which must be taken into account in the interpretation of line profiles. 2. Cytology. Of chromosome material: becoming heteropycnotic at some stage in the nuclear cycle. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > state of chromatin hyperchromatic1896 heterochromatic1936 1936 Biol. Abstr. 10 1620/2 Chromosome I (X) is heterochromatic from the proximal end to almost the exact centre; from here to the distal end euchromatic. 1942 Nature 17 Jan. 66/2 The two properties of inertness and abnormality of nucleic acid cycle are combined in the same genes or chromomeres... These are then said to be heterochromatic as opposed to the active or euchromatic genes. 1951 G. H. Bourne Cytol. & Cell Physiol. (ed. 2) v. 195 On the one hand the heterochromatic regions may be thicker and more dark-staining than the euchromatic ones... On the other hand, a heterochromatic region or chromosome may appear thinner and stain more weakly than euchromatic regions in the same nucleus. 1956 Nature 10 Mar. 452/2 It usually appears as three dots arranged in a triangle, suggesting the presence of an under-stained (‘heterochromatic’) region close to the centromere. 1969 Nature 16 Aug. 684/2 In plants..supernumerary heterochromatic chromosomes may make pollen grains undergo additional divisions and quicken cell division. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2019). < |
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