单词 | deuto- |
释义 | deuto-comb. form A shortened form of deutero- comb. form, used 1. In Chemistry to distinguish the second in order of the terms of any series. Thus deut-iodide, deuto-bromide, deuto-carbonate, deuto-chloride, deuto-sulphide, etc. The prefix has sometimes been improperly used to indicate the constitution of a compound, as compared with that of the proto- or mono- compound of the same series; but it is now obsolescent, being usually replaced by such prefixes as sesqui-, di-, tri-, etc., which properly indicate the constitution. deutoxide n. Brit. /djuːˈtɒksʌɪd/ , /dʒuːˈtɒksʌɪd/ , U.S. /d(j)uˈtɑkˌsaɪd/ the second of the series of oxides of a metal, etc., that which comes next to the protoxide, containing the next smallest quantity of oxygen.ΚΠ 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 20 The smallest quantity of oxygen forms the protoxide of the metal, the second quantity of oxygen makes the deutoxide. 1823 W. Henry Elements Exper. Chem. (ed. 9) I. ix. 477 When there are several oxides of the same metal, he [sc. Dr. Thomson] has proposed the terms protoxide, deutoxide, tritoxide, &c. 1823 W. Henry Elements Exper. Chem. (ed. 9) II. ix. 70 The deutoxide and peroxide of antinomy ought..to be arranged among acids. 1854 J. Scoffern in Orr's Circle Sci. Chem. 489 Binoxide, sometimes called deutoxide of copper (Cu O2). 1857 W. R. Bullock tr. P. Cazeaux Theoret. & Pract. Treat. Midwifery (ed. 2) 137 Precipitated by the deuto-chloride of mercury. 1864 H. Spencer Illustr. Progress 40 Later in the Earth's history, are the deutoxides, tritoxides, etc. 1864 H. Spencer Princ. Biol. I. 6 Deutoxide of nitrogen is a gas hitherto uncondensed. 2. In many terms of Biology. deutencephalon n. Brit. /ˌdjuːtɛnˈsɛfəlɒn/ , /ˌdʒuːtɛnˈsɛfəlɒn/ , /ˌdjuːtɛnˈkɛfəlɒn/ , /ˌdʒuːtɛnˈkɛfəlɒn/ , U.S. /ˌd(j)utnˈsɛfəl(ə)n/ the second of the three primary cerebral vesicles of the embryo.ΚΠ 1881 St. G. Mivart Cat 358 The fore-brain, called also the deutencephalon. Categories » deutencephalic adj. Brit. /ˌdjuːtɛnsᵻˈfalɪk/ , /ˌdʒuːtɛnsᵻˈfalɪk/ , /ˌdjuːtɛŋkɛˈfalɪk/ , /ˌdʒuːtɛŋkɛˈfalɪk/ , U.S. /ˌd(j)utn̩səˈfælɪk/ Categories » deutomala n. Brit. /ˌdjuːtə(ʊ)ˈmeɪlə/ , /ˌdʒuːtə(ʊ)ˈmeɪlə/ , U.S. /ˌd(j)udoʊˈmeɪlə/ , /ˌd(j)udəˈmeɪlə/ the second pair of jaws of the Myriapoda.Categories » deutomalar adj. Brit. /ˌdjuːtə(ʊ)ˈmeɪlə/ , /ˌdʒuːtə(ʊ)ˈmeɪlə/ , U.S. /ˌd(j)udoʊˈmeɪlər/ , /ˌd(j)udəˈmeɪlər/ Categories » deutomerite n. Brit. /djuːˈtɒmərʌɪt/ , /dʒuːˈtɒmərʌɪt/ , U.S. /d(j)uˈtɑməˌraɪt/ the second or posterior cell of a dicystid gregarine, as distinguished from the smaller anterior cell or protomerite. deutoplasm n. Brit. /ˈdjuːtəˌplaz(ə)m/ , /ˈdʒuːtəˌplaz(ə)m/ , U.S. /ˈd(j)udəˌplæz(ə)m/ term applied by Reichert to the food-yolk of the mero-blastic egg, e.g. the yellow yolk of a bird's egg; also, the special form of protoplasm which composes the granules seen in the centre of the protamœba ( New Sydenham Soc. Lexicon).ΚΠ 1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta 111 The contents of every egg consist..(1) Of a viscous albuminous protoplasm; and (2) of a fatty granular matter, the deutoplasm or food yolk. deutoplasmic adj. Brit. /ˌdjuːtə(ʊ)ˈplazmɪk/ , /ˌdʒuːtə(ʊ)ˈplazmɪk/ , U.S. /ˌd(j)udoʊˈplæzmɪk/ , /ˌd(j)udəˈplæzmɪk/ of, pertaining to, or of the nature of deutoplasm.ΚΠ 1886 Jrnl. Royal Microsc. Soc. 6 224 In the young unfertilized ova a small ‘protoplasmic’ and larger ‘deutoplasmic’ portion are readily distinguished. Categories » deutoplastic adj. Brit. /ˌdjuːtə(ʊ)ˈplastɪk/ , /ˌdʒuːtə(ʊ)ˈplastɪk/ , U.S. /ˌd(j)udoʊˈplæstɪk/ , /ˌd(j)udəˈplæstɪk/ = deutoplasmic adj. deutoplasmigenous adj. Brit. /ˌdjuːtə(ʊ)plazˈmɪdʒᵻnəs/ , /ˌdʒuːtə(ʊ)plazˈmɪdʒᵻnəs/ , /ˌdjuːtə(ʊ)plazˈmɪdʒn̩əs/ , /ˌdʒuːtə(ʊ)plazˈmɪdʒn̩əs/ , U.S. /ˌd(j)udoʊˌplæzˈmɪdʒənəs/ producing deutoplasm.ΚΠ 1881 Smithsonian Report 425 The development alike of excretory and deutoplasmigenous functions, at certain times of the year, of the genital glands. deutoplasmogen n. Brit. /ˌdjuːtə(ʊ)ˈplazmədʒ(ə)n/ , /ˌdʒuːtə(ʊ)ˈplazmədʒ(ə)n/ , U.S. /ˌd(j)udoʊˈplæzmədʒ(ə)n/ , /ˌd(j)udoʊˈplæzməˌdʒɛn/ that which forms or is converted into deutoplasm.ΚΠ 1890 E. R. Lankester Advancem. Sci. vii. 265 The others disappear as deutoplasmogen or vitellogenous cells. Categories » deutosclerous adj. Brit. /ˌdjuːtə(ʊ)ˈsklɪərəs/ , /ˌdʒuːtə(ʊ)ˈsklɪərəs/ , /ˌdjuːtə(ʊ)ˈsklɛrəs/ , /ˌdʒuːtə(ʊ)ˈsklɛrəs/ , U.S. /ˌd(j)udoʊˈsklɛrəs/ , /ˌd(j)udəˈsklɛrəs/ in deutosclerous tissue, Laurent's term for osseous tissue.Categories » deutoscolex n. Brit. /ˌdjuːtə(ʊ)ˈskəʊlɛks/ , /ˌdʒuːtə(ʊ)ˈskəʊlɛks/ , U.S. /ˌd(j)udoʊˈskoʊˌlɛks/ a secondary scolex, or daughter-cyst of a scolex or cystic worm; the cysticercus of the Tæniæ.Categories » deutotergite n. Brit. /ˌdjuːtə(ʊ)ˈtəːdʒʌɪt/ , /ˌdʒuːtə(ʊ)ˈtəːdʒʌɪt/ , /ˌdjuːtə(ʊ)ˈtəːɡʌɪt/ , /ˌdʒuːtə(ʊ)ˈtəːɡʌɪt/ , U.S. /ˌd(j)udoʊˈtərˌdʒaɪt/ , /ˌd(j)udoʊˈtərˌɡaɪt/ the second dorsal segment of the abdomen of insects. deutovum n. Brit. /djuːˈtəʊvəm/ , /dʒuːˈtəʊvəm/ , U.S. /d(j)uˈtoʊv(ə)m/ a secondary egg-cell, as contrasted with the protovum or normal and usual egg-cell; also called metovum, and after-egg.ΚΠ 1877 T. H. Huxley Man. Anat. Invertebrated Animals vii. 383 The proper vitelline membrane bursts into two halves..and the deutovum emerges. 1881 Athenæum 31 Dec. 904/2 The occurrence of a deutovum stage in the egg is recorded. Categories » deutova n. Brit. /djuːˈtəʊvə/ , /dʒuːˈtəʊvə/ , U.S. /d(j)uˈtoʊvə/ plural. 3. In some other words. deutosystematic adj. Brit. /ˌdjuːtə(ʊ)ˌsɪstᵻˈmatɪk/ , /ˌdʒuːtə(ʊ)ˌsɪstᵻˈmatɪk/ , U.S. /ˌd(j)udoʊˌsɪstəˈmædɪk/ of or pertaining to a secondary system; cf. deuterosystematic adj. at deutero- comb. form .ΚΠ 1878 H. P. Gurney Crystallogr. 72 The deutosystematic planes which bisect the angles between the [protosystematic]. This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022). < comb. form1822 |
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