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单词 rhodo-
释义 rhodo-|ˈrəʊdə|
combining f. Gr. ῥόδον rose, used chiefly in names of mineral and chemical substances: ˈrhodochrome [Gr. χρῶµα colour], a rose-coloured variety of penninite. rhodoˈchrosite [Gr. ῥοδόχρως], carbonate of manganese occurring in rose-red crystals. rhodoˈcrinite, a rose-like encrinite. ˈrhodophane [-phane after diaphane] = rhodopsin. rhodophycean |-ˈfaɪsɪən| a. Bot. [ad. mod.L. Rhodophyceæ, f. Gr. ϕῦκος seaweed], of or pertaining to the class Rhodophyceæ, which comprises the red algæ and is coextensive with the division Rhodophyta. rhodoˈphyllite [Gr. ϕύλλον leaf] = rhodochrome (Watts Dict. Chem. 1868). ˈrhodophyte n. Bot. [ad. mod.L. Rhodophyta: see -phyte], a member of the division Rhodophyta, which comprises the red algæ and is coextensive with the class Rhodophyceæ; a., of or pertaining to this division. ˈrhodoplast Bot. [a. G. rhodoplast (A. F. W. Schimper 1885, in Jahrb. f. wissensch. Bot. XVI. 40): see -plast], a chromoplast containing a red pigment, phycoerythrin, found in red algæ. ˈrhodosperm [Gr. σπέρµα seed], a seaweed of the class Rhodospermeæ characterized by rose-coloured spores. rhodoˈspermin, the colouring matter of the red algæ of the group Florideæ. rhodoˈspermous a., having red seeds or spores; belonging to or characteristic of the group Rhodospermeæ of algæ. rhodoˈtannic a., in rhodotannic acid, tannic acid obtained from the leaves of Rhododendron ferrugineum. rhodoˈxanthin, rhodotannic acid.
1854R. D. Thomson Cycl. Chem. 440/2 *Rhodochrome,..a variety of serpentine... It contains sesquioxide of chromium.
1836T. Thomson Min., Geol., etc. I. 512 Carbonate of Manganese. Dialogite, *rhodochrosite, and..allagite, photizite, rhodonite.
1882Ogilvie, *Rhodocrinite.
1878–9W. C. Ayres tr. W. Kühne in Jrnl. Physiol. I. 115 We have found it expedient to wash with slightly warmed alcohol, which though it removes a little *Rhodophane, as we may call the third pigment, takes up without failure the last remains of xanthophane.1951Rhodophane [see lipochrome s.v. lipo-].
1935J. E. Tilden Algae iii. 27 A long time must have elapsed between the Cyanophycean and *Rhodophycean periods, in which the blue-green and the red algae in turn constituted the dominant flora of the sea.1938G. M. Smith Cryptogamic Bot. I. viii. 295 The gradual increase in temperature of surface waters as one passes from polar to tropical regions is correlated with a change in composition of the rhodophycean element in the flora.1964Amer. Jrnl. Bot. LI. 580/1 Rhodophycean algae which have similar external form..do not have a comparable internal organization.
1967Virginia Jrnl. Sci. XVIII. 110 (heading) Porphyridium sordidum Geitler in America, with comments on the distribution of other North American *rhodophytes.1974R. Y. Stanier in Carlile & Skehel Evolution in Microbial World 223 Both in terms of nucleo-cytoplasmic structure and in terms of the overall composition of their pigment systems, rhodophytes and cryptophytes show many differences.1976Nature 22 Jan. 176/3 Knoll and Barghoorn's observations..counsel caution in interpreting the Bitter Springs fossil biota as containing bona fide remains of chlorophyte or rhodophyte algae.
1886Jrnl. R. Microsc. Soc. 640 For the chromoplasts of the Phæophyceæ the author proposes the term phæoplasts; for those of the Florideæ *rhodoplasts.1932R. E. Torrey Gen. Bot. x. 184 In the brown and red algæ the pigment is brown or red and the plastids are called respectively phæoplasts and rhodoplasts.1965Bell & Coombe tr. Strasburger's Textbk. Bot. iii. 466 The Rhodophyceae are usually red or violet, rarely dark purple or reddish-brown. Almost without exception the cells have a single nucleus and contain numerous simple chromatophores or rhodoplasts..in which chlorophyll..and the associated carotinoids in the lamellae of the plastids are masked by a red, strongly fluorescent, water-soluble pigment, phycoerythrin.
1866Treas. Bot. 978/1 The *Rhodosperms form one of the three great divisions of Algæ.1875Balfour in Encycl. Brit. I. 508/2 Chondrus (Sphærococcus) crispus and C. mammillosus, two Rhodosperms.
1875Bennett & Dyer tr. Sachs' Bot. 51 In dried specimens of other Florideæ..Klein observed colourless crystalloids of a different form. These formations may all be comprised in the name first given by Cramer,—*Rhodospermine.
1856W. L. Lindsay Hist. Brit. Lichens 2 The *rhodospermous seaweed.1858Mayne Expos. Lex., Rhodospermus,..rhodospermous.
1853Chem. Gaz. XI. 44 *Rhodotannic acid in the anhydrous state has..the composition represented by the formula C14H6O7.
Ibid. 45 That [substance] obtained from the pure [rhodotannic] acid, to which the author [R. Schwartz] gives the name of *rhodoxanthine.




Add: ˈrhodolite Min. [see -lite], a pale rose or purple-coloured garnet intermediate in composition between pyrope and almandite.
1898Hidden & Pratt in Amer. Jrnl. Sci. V. 296 The analysis proves that this garnet is not almandine nor wholly pyrope and is distinctive enough in color alone to merit a varietal name. We, therefore, propose the name of *Rhodolite, from the two Greek words ῥόδον, a rose, λίθος, a stone.1931Amer. Mineralogist XVI. 563 Excellent samples of rock which contain much gedrite are still to be found on the dump which, however, has been so carefully picked over for rhodolite that good samples are rare.1977V. Gissing tr. Kouřimský's Illustr. Encycl. Minerals & Rocks 237 The light rose-red to faintly violet mixtures of pyrope and almandine are called rhodolites and they occur in California.
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