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单词 heterochromatic
释义

heterochromaticadj.

/ˌhɛtərəʊkrəʊˈmatɪk/
Etymology: < hetero- comb. form + chromatic adj. 1; in sense 1; in sense 2, < heterochromatin n. + -ic suffix.
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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adj.1895
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