单词 | propagation |
释义 | propagationn. 1. a. The production of offspring; the action or practice of causing a people, race, etc., to continue in being by procreation; reproduction; (also) the action of causing a plant, animal, etc., to produce offspring or multiply by natural processes. Also figurative. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > [noun] i-streonc893 strainc950 akennessOE spreadingOE upspringc1000 akenningOE akennednessOE strainc1175 streningc1230 begetc1330 begettingc1330 engendrurec1350 generationa1382 gettinga1382 genderingc1384 multiplicationa1387 increase1390 prolificationa1393 procreationc1395 engenderinga1400 gendrure?a1400 engendure?a1425 progeniturec1429 propagation?1440 teemingc1450 breeda1500 geniturea1500 engenderment1507 progeneration1548 fathering1549 engender1556 race1561 multiplying1599 pullulation1641 progermination1648 reproduction1713 face-making1785 baby-making1827 begettal1864 fertility1866 tr. Palladius De re Rustica (Duke Humfrey) (1896) xi. 57 (MED) In Septembre the propagacioun..Is best to sette in occupacioun, ffor now they makith rootis lesse and more. c1475 Mankind (1969) 186 (MED) Of þe erth and of þe cley we haue owr propagacyon. 1526 W. Bonde Pylgrimage of Perfection iii. sig. LLLiiiiv He that by natural propagacion hath generat or begoten vs. 1583 Sir T. Smith's De Republica Anglorum i. xii. 14 (margin) Propagation is when a man layeth a branch of a..tree into the ground, so that it taketh roote of it selfe. a1616 W. Shakespeare Measure for Measure (1623) i. ii. 138 This we came not to, Onely for propogation of a Dowre Remaining in the Coffer of her friends. View more context for this quotation 1651 T. Hobbes Leviathan iv. xliv. 346 Eternal death..is but a time of Punishment and Torment; and to last by succession of sinners thereunto, as long as the kind of Man by propagation shall endure. 1671 H. Oldenburg Let. 18 Nov. in Corr. (1971) VIII. 364 It will awaken some publick-minded and wealthy persons to inquire after you, and to concurr wth you in the propagation of ye Plant. 1749 H. Fielding Tom Jones II. v. v. 153 What can be more innocent than the Indulgence of a natural Appetite? or what more laudable than the Propagation of our Species? View more context for this quotation 1781 E. Burke Speech Marr. Act Repeal Bill in Wks. X. 136 Matrimony is instituted not only for the propagation of men, but for their nutrition, their education, their establishment. 1857 A. Henfrey Elem. Course Bot. §875 In the lower Algæ,..the plants are continually undergoing propagation by division of the constituent cells. 1952 G. F. Hervey & J. Hems Freshwater Trop. Aquarium Fishes iii. 31 This is a very pretty and distinctive plant... Propagation is by self-division. 1977 Ann. Internal Med. 86 323/2 In-vitro propagation of the Epstein-Barr virus is possible only in lymphoblastoid cell lines. 1994 Outlook Dec. 5/3 A particularly virulent publication..denounces ‘faggotry’ because it does not allow for propagation of the race. ΘΚΠ society > inhabiting and dwelling > furnishing with inhabitants > [noun] > with offspring propagation1662 1662 E. Stillingfleet Origines Sacræ iii. i. §2 The propagation of the world after [the flood] by the Sons of Noah. 2. The dissemination, advancement, or promotion of a belief, idea, practice, etc.; (in later use also) the spreading of lies, scandal, etc.; an instance of this. ΘΚΠ society > communication > information > publishing or spreading abroad > [noun] publicationa1387 publishing?c1450 publishmenta1513 propagation1531 divulgating1537 bruit1548 divulgation1548 edition1549 notifying1550 promulgation1562 provulgation1566 diffusion1600 blazon1603 divulging1604 divulge1619 ventilationa1631 evulgation1638 propalationa1676 circulation1684 popularization1797 pervulgationa1832 the world > space > extension in space > spreading or diffusion > [noun] > specifically of immaterial things dilatation1448 propagation1531 dilating1532 enlargement1607 dilationa1631 radiationa1631 dispreadinga1652 factorship1697 rayonnement1910 haemorrhaging1967 1531 tr. E. Fox et al. Determinations Moste Famous Vniuersities i. f. 19v To haue hyndred vniuersally the propagacion and increasynge of loue and charitie betwene christen people. 1588 in D. Masson Reg. Privy Council Scotl. (1881) 1st Ser. IV. 266 The propagatioun of the trew..religioun. 1618 S. Latham New & 2nd Bk. Falconrie Epist. For the propagation of the noble sport. 1651 T. Hobbes Leviathan ii. xxii. 121 The Corporations of men, that..unite themselves in anothers Dominion, for the easier propagation of Doctrines. 1680 R. Bolron Narr. 9 The Jesuits..are the most Zealous for the propagation of their Religion in their old Mumpsimus Way. 1751 S. Johnson Rambler No. 144. ⁋6 Calumny is diffused by all arts and methods of propagation. 1796 E. Burke Two Lett. Peace Regicide Directory France in Wks. (1808) VIII. 237 They..have been taught to look on religious opinions as the only cause of enthusiastick zeal, and sectarian propagation. 1857 N. P. Willis Paul Fane v. 41 I was drifting round through the back settlements in Michigan, on a propagation of the Fine Arts—getting commissions. 1877 W. Sparrow Serm. ix. 112 The main use of agencies..in connection with religion, is the propagation of the truth. 1933 B. Rascoe Prometheans, Anc. & Mod. 161 He ridicules the various styles and methods of procedure of the historians, their biases, their propagation of lies, their false perspectives. 1979 D. Halberstam Powers that Be (1980) i. ii. 70 His magazines would play no part in the propagation of ideas and values unworthy of true Western culture. 2005 Observer (Nexis) 11 Sept. (Review section) 1 The propagation of terrorist ideas by internet. 3. That which is produced by propagation or reproduction; offspring; a breed, a race, a generation. Also in extended use. Now rare. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > [noun] > offspring seedOE offspringOE begottena1325 birtha1325 issuea1325 burgeoninga1340 fruit of the loinsa1340 young onec1384 increasement1389 geta1400 gendera1425 procreation1461 progeniturec1487 engendera1500 propagation1536 feture1537 increase1552 breed1574 spawn1590 bowela1593 teeming1599 pullulation1641 prolifications1646 educt1677 produce1823 society > society and the community > kinship or relationship > kinsman or relation > child > [noun] > progeny or offspring bairn-teamc885 childeOE tudderc897 seedOE teamOE wastum971 offspringOE i-cundeOE fostera1175 i-streonc1175 strainc1175 brooda1300 begetc1300 barm-teamc1315 issuea1325 progenyc1330 fruit of the loinsa1340 bowel1382 young onec1384 suita1387 engendrurea1400 fruitinga1400 geta1400 birth?a1425 porturec1425 progenityc1450 bodyfauntc1460 generation1477 fryc1480 enfantement1483 infantment1483 blood issue1535 propagation1536 offspring1548 race1549 family?1552 increase1552 breed1574 begetting1611 sperm1641 bed1832 fruitage1850 society > society and the community > kinship or relationship > kinsman or relation > descendant > [noun] > collectively bairn-teamc885 kinc950 seedOE teamOE offspringOE kindOE childrenc1175 lineage1303 generationa1325 issuea1325 successiona1340 kindredc1350 progenya1382 posterityc1410 sequelc1440 ligneea1450 posterior1509 genealogy1513 propagation1536 racea1547 postery1548 after-spring1583 bowela1593 afterworld1594 loin1608 descendance1617 succession1618 proles1640 descent1667 ramage1936 1536 Exhort. to the North 86 in F. J. Furnivall Ballads from MSS I. 307 And with that noit content, hys mallys put in vre agaynes the trew lewes of hys propagation. 1596 W. Warner Albions Eng. (rev. ed.) xi. lxviii. 287 With marrage, that legitimates our Propagation. 1597 Bp. J. King Lect. Ionas xi. 148 From the beginning of the worlde to the time of Christ, are numbred fowre propagations or generations. 1611 B. Rich Honestie of Age (1844) 49 The Laconian women brought foorth a propagation of men of haughty courage. 1661 J. Fell Life T. Fuller 7 Those productions and propagations of divine Learning and Knowledge. 1735 H. Brooke Universal Beauty iii, in Poet. Wks. (1792) II. 64 Now see whence various propagations breed, The sucker, scyon, sprout, and embryon seed. a1930 R. S. Bridges Poet. Wks. (1936) 418 She [sc. Medicine] now separates the bacillus Sets the atoms of offence.., 'Neath lens and daylight, forcing their foul propagations..Now to behave in sight. ΘΚΠ the world > space > extension in space > expansion or enlargement > [noun] waxingc1055 increasec1374 dilatationc1400 larging?a1425 magnification?a1425 bredingc1440 ampliation1509 enlarginga1513 dilating1532 ampliating1541 amplification1546 amplifying1553 propagation1563 enlargement1564 widening1569 growth1587 dilation1598 expatiation1612 diduction1634 expansion1635 extendinga1649 dispansion1658 elargement1680 expatiating1708 explicating1730 aggrandizement1772 extension1839 expanse1860 aggrandization1929 the world > time > duration > [noun] lengtha1240 date?1316 durationc1384 hautesse1399 quantity?a1425 periodc1475 tracta1513 allowance1526 continuance1530 wideness1535 continue1556 protense1590 countenance1592 stay1595 standing1600 dimension1605 longanimity1607 longinquity1607 insisture1609 existence1615 unprivationa1628 continuity1646 protension1654 measure1658 course1665 contention1666 propagation1741 protensity1886 1563 G. Hay Confut. Abbote of Crosraguels Masse sig. Tiiiv To these inwarde workes, we may Ioyne the earnist & vehement desyre and thrust, we haue to the propagation of his kyngdome, the predication of his worde, and suche others of this kynde. 1583 B. Melbancke Philotimus (new ed.) 216 I expect no good by her, but suspect a propagation of my misfortunes. a1654 Bp. J. Richardson Observ. Old Test: Gen. (1655) 344 His ardent and longing affection to behold the flourishings and propagations of his Church. a1716 R. South Serm. Several Occasions (1744) XI. 39 The spoil and waste they had made..for the propagation of their empire, which they were still enlarging as their desires. 1741 C. Middleton Hist. Life Cicero I. iii. 217 Not for the propagation of his own life. ΘΚΠ the world > life > the body > vascular system > blood vessel > [noun] > branch branch-veinc1400 eye vein1545 surcle1578 tendron1578 propagation1615 twig1683 radicle1829 rootlet1875 radical1880 1615 H. Crooke Μικροκοσμογραϕια xi. xxx. 903 The other externall branch at the middle of the Ell shooteth out a propagation from his outside. 1646 Sir T. Browne Pseudodoxia Epidemica 184 Lastly, these propagations being communicated unto both hands, we have no greater reason to weare our rings on the left, then on the right. View more context for this quotation 1650 J. Bulwer Anthropometamorphosis 10 The nerves of the Taste descend from the third and fourth Propagations, and so diffuse themselves into the tongue. 1698 W. Cowper Anat. Humane Bodies sig. Hh (Table 60) The Propagations of Vessels from the Umbilical Rope to the Placenta. 1724 W. Stukeley Of Spleen 20 Malpighi takes particular notice of a membrane in the spleen distinct from the propagations of the venular capsula. 1786 J. Aitken Princ. Anat. & Physiol. II. 1 This important organ [sc. the sensorium commune] and all its propagations, are covered by two membranes. 6. Physics. The passage of movement, energy, a vibration, a wave, etc., in a particular direction or through a medium; the progression of a crack through a solid. ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > transmission of energy propagation1656 translation1715 the world > movement > transference > [noun] > conveying or transporting > conveying by a channel or medium > of motion or energy propagation1656 transmission1704 the world > matter > physics > electromagnetic radiation > electricity > electrolysis > [noun] > transmission of hydrogen propagation1656 the world > matter > physics > science of sound > sound-waves > [noun] > transmission propagation1723 transmission1834 the world > matter > physics > electromagnetic radiation > heat > transmission of heat > [noun] propagation1804 conduction1814 transmission1815 the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > transmission trajection1633 transmission1704 propagation1854 1656 tr. T. Hobbes Elements Philos. iii. xxii. 248 When..one Body having opposite Endeavour to another Body, moveth the same, and that moveth a third, and so on, I call that action Propagation of Motion. 1699 R. Burthogge Of Soul of World in Coll. Scarce & Valuable Tracts (1748) II. 242 Even the Propagation of Light is by Discerption; some Effluvia or Emanations of the enlightening Candle passing into that which is lightened. 1709 Philos. Trans. 1708–09 (Royal Soc.) 26 368 This [experiment] plainly shews, and seems positively to confirm, That Air is the only Medium for the Propagation of Sound. 1723 J. Clarke tr. Rohault's Syst. Nat. Philos. I. i. xxvi. 191 The Propagation of Sound may very well be compared with Circles made in the Water, by throwing a Stone into it. 1804 Sir J. Leslie (title) An experimental inquiry into the nature and propagation of heat. 1807 T. Young Course Lect. Nat. Philos. I. xxiii. 289 It is probable that in all cases of the propagation of waves, the place of the centre of gravity remains unaltered. 1854 Pereira's Pol. Light 8 The Propagation of Light.—Light emanates, radiates, or is propagated in straight lines. 1934 Proc. Royal Soc. A. 145 368 The propagation of slip is readily understandable and is analogous to the propagation of a crack. 1968 J. E. Gordon New Sci. Strong Materials v. 98 The worst sin in an engineering material is..lack of resistance to the propagation of cracks. 1991 CD Rev. Oct. 102/3 At very low frequencies, sound propagation is essentially omnidirectional. 7. The transmission of disease or of a disease. ΘΚΠ the world > health and disease > ill health > a disease > production of disease > [noun] > contagion contagiona1626 smittling1625 propagation1664 approximation1678 1664 Duchess of Newcastle Philos. Lett. iii. xli. 400 Properly there is no such thing as an hereditary propagation of diseases..; but because Children have such a neer relation to their Parents by Generation, if they chance to have the same diseases with their Parents, men are apt to conclude it comes by inheritance. 1671 T. Gumble Life Gen. Monck 417 This Plague did not arise from any Infection in the Air, but by propagation from one person to another. 1711 J. Marten Treat. Venereal Dis. (ed. 7) ii. ii. 326 Propagation of the Disease between Nurses and Children is likewise very common. 1798 R. Jackson Outl. Hist. & Cure Fever iii. 108 Bounds seem also to be set to the propagation of disease, the cause of which has proceeded from heterogeneous causes. 1805 Med. & Physical Jrnl. 14 107 To prevent the propagation of disease [sc. smallpox], and its consequent effects, deformity. 1868 Jrnl. Statist. Soc. 31 403 Very soon after these checks to the propagation of the disease were removed, our old enemies reappeared. 1910 Encycl. Brit. I. 390/1 The intermixture of stock consequent on the common-field system was a barrier to improvement in the breed and conduced to the propagation of disease. 1988 R. Shilts And band played On vi. xxx. 306 These foci of sexual activity fueled the brushfire propagation of the infection. 8. Chemistry. The self-perpetuating step or steps in a chain reaction, in which product molecules are formed or polymer chains lengthened by a process which generates more reagents or radicals for a repetition of the reaction. Frequently attributive. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions (general) > chain reaction > propagation propagation1926 1926 Jrnl. Amer. Chem. Soc. 48 2554 While water is essential for the process of starting a chain, it is still an open question whether water is necessary for chain propagation. 1940 Ann. Rep. Progr. Chem. 36 74 The rate of polymerisation..is then solely determined by the velocity of the propagation reaction. 1973 K. J. Saunders Org. Polymer Chem. i. 10 This new radical then adds further monomer molecules in rapid succession to form a polymer chain. In this propagation the active centre remains, being continuously relocated at the end of the chain. 2001 Chemicals & Materials from Renewable Resources (ACS Symp. Ser. No. 784) xii The high monomer concentration in a melt favors rapid propagation. Compounds C1. propagation tray n. ΚΠ 1966 Charleston (W. Va.) Daily Mail 23 Aug. 14/2 In the propagation tray, they are starting seeds and cuttings from plants. 1977 Grimsby Evening Tel. 31 May 9/5 A hundred small cannabis plants in propagation trays. 2005 San Antonio (Texas) Express-News (Nexis) 14 May e1 Plastic propagation trays are sterilized in a solution of ‘magic water’. C2. propagation coefficient n. Physics = propagation constant n. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > specific coefficients propagation constant1911 wavelength constant1940 propagation coefficient1943 propagation factor1955 1943 Gloss. Terms Telecommunications (B.S.I.) 7 Propagation coefficient, propagation constant, the natural logarithm of the vector ratio of the steady-state amplitudes of a wave at a specified frequency, at points in the direction of propagation separated by unit length. 1973 Internat. Statist. Rev. 41 15 Parameters or coefficients which have specific physical interpretations, but whose values are unknown. As examples, we have..the propagation coefficient in the theory of wave propagation, [etc.]. 2003 Jrnl. Magnetism & Magn. Materials 254–5 604/1 We shall consider the change in the propagation coefficient of electromagnetic wave through the superlattice. propagation constant n. Physics a quantity representing the loss of amplitude, or the retardation of phase, of a wave per unit distance travelled; spec. the coefficient of the distance in an equation representing the propagation of a wave. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > specific coefficients propagation constant1911 wavelength constant1940 propagation coefficient1943 propagation factor1955 1911 J. A. Fleming Propagation Electr. Currents ii. 68 P is a complex quantity and therefore may be written in the form α + jβ. It is called the Propagation constant of the line. 1963 R. W. Ditchburn Light (ed. 2) ii. 28 The wave~length..is denoted by λ. An associated constant κ = 2π/λ is called the wavelength constant (or propagation constant). 1999 Science 3 Sept. 1537/2 The wave vector component along the waveguide, known as the propagation constant β, determines whether light propagates or is evanescent in any part of the guide. propagation factor n. Physics (a) = propagation function n. (b); (b) = propagation constant n.; (c) = propagator n. 4. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > specific coefficients propagation constant1911 wavelength constant1940 propagation coefficient1943 propagation factor1955 1955 Proc. Physical Soc. A. 68 317 K+(x, x′) is the propagation factor for a Dirac particle satisfying the equation. 1957 Jrnl. Atmospheric & Terrestrial Physics 10 121 One type of waveform, observed during day and night, indicates a directional variation of the propagation factor transcending the diurnal variation. 1999 Proc. Royal Soc. A. 455 320 Treating the slowly varying amplitude and wavelength effectively as constants, we only differentiate the propagation factor. propagation function n. Physics (a) = propagator n. 4; (b) a function describing mathematically how a wave or the like propagates. ΘΚΠ the world > matter > physics > atomic physics > particle physics > [noun] > function representing propagation propagation function1949 propagator1951 1949 Physical Rev. 76 770/1 Many of the properties of the integrals are analyzed using formal properties of invariant propagation functions. 1970 J. Schwinger Particles, Sources, & Fields iii. 145 Considering spin 0 particles and their real scalar sources,..we examine the effect of adding an additional weak source... This combination of source and propagation function, measuring the effect of pre-existing sources on a weak test source, is the field of the sources. 2003 Soil Dynamics & Earthquake Engin. 23 250/1 The shape functions of infinite elements are constructed by using a wave propagation function. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.?1440 |
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