单词 | neutralize |
释义 | neutralizev. I. General uses. ΘΚΠ the mind > attention and judgement > judgement or decision > absence of prejudice > be unbiased [verb (intransitive)] > be neutral to stand neuter1548 to swim between two waters (occasionally also streams)1553 neutrize1609 mediate1612 neutralize1642 (to stand or sit) on or upon the fence1830 1642 A. Grosse Sweet & Soule-perswading Inducements Ep. to Rdr. sig. A.3v Doe not halt and neutralize in the houre of Christs and his Churches troubles. 1649 Rectifying Princ. 11 Oh but some will newtralize it, and not take part with either, but defend against both. a1665 J. Goodwin Πλήρωμα τὸ Πνευματικόv (1670) xiii. 376 Whether it be better and safer to Neutralize between these two Opinions, and hang in suspense. 2. a. transitive. To counterbalance; to render ineffective or void; to destroy by an opposite force or effect. ΘΚΠ the world > action or operation > operation upon something > have effect on [verb (transitive)] > neutralize or counteract fordoc1175 counterpoisec1374 correct1578 countercheck1590 countervail1590 cancel1633 counterbalance1636 counterswaya1640 countermand1645 counter-influence1667 counteract1694 destroy1726 neutralizea1797 counterweigh1825 antagonize1833 mitigate1857 kill1858 a1797 E. Burke Fourth Let. Peace Regicide Directory France in Writings & Speeches (1991) IX. 52 Regicide neutralizes all the acrimony of that power, and renders it safe and social. 1807 T. Young Course Lect. Nat. Philos. I. vii. 60 It is obvious that these effects will neutralise each other, so that the body, on which they are supposed to operate, will retain its situation. 1820 W. Hazlitt Lect. Dramatic Lit. 11 The very nature of our academic institutions..neutralizes a taste for the productions of native genius. 1875 F. A. G. Ouseley Treat. Musical Form ii. 18 Thus one irregularity of construction in this case neutralises the effect of the other. 1910 Encycl. Brit. I. 527/1 The use of alcohol as an aid to digestion is without the support of clinical or laboratory experience, the beneficial action being at least neutralized by undesirable effects produced elsewhere. 1952 P. Bowles Let it come Down i. ii. 24 He did not evoke pity in her—rather, a slight rancour which neutralized her other emotions. 1978 R. V. Jones Most Secret War (1979) I. xi. 147 Eckersley's evidence had neutralized itself, because he had said one thing a few months before and now something quite different. 1991 A. J. Pollard Richard III (1997) vi. 158 Richard's conduct of foreign policy after November 1483 was constrained and dominated by the need to neutralize the threat from Henry Tudor. b. transitive. To render (an enemy, etc.) harmless; to put out of action; spec. (originally U.S.) to kill (euphemistic). ΘΚΠ the world > action or operation > safety > make safe or secure [verb (transitive)] > make safe or not dangerous > make harmless unarm1569 to file (one's) teeth1599 cicurate1606 disenvenoma1711 scotch1726 defang1919 neutralize1937 sterilize1939 declaw1940 recuperate1967 the world > life > death > killing > man-killing or homicide > murder or assassination > murder or assassinate [verb (transitive)] amurderOE murderc1175 homicidec1470 murdresc1480 murtrish1490 manquell1548 slaughter1582 massacre1591 assassinate1600 remove1609 assassin1620 to do the business for a person1759 Septembrize1794 croak1823 square1888 shift1898 to take out1900 to bump off1907 bump1914 to do in1914 to put out1917 to knock off1919 terminate1920 to give (a person) the works1929 scrag1930 snuff1932 wash1941 waste1964 wipe1968 to terminate with extreme prejudice1969 neutralize1970 snuff1973 stiff1974 1937 Times 16 Apr. 8/6 A mechanized advance-guard battery was shown going into action in support of attacking infantry and attempting to neutralize an area. 1970 J. G. Lowenstein & R. M. Moose Vietnam: December 1969 (U.S. Senate Comm. on Foreign Relations) 4 The Phoenix program had resulted in some 15,000 VCI, meaning Vietcong infrastructure, or cadre, being ‘neutralized’ in 1968. 1972 F. Fitzgerald Fire in Lake xvi. 412 In 1969 the United States set a goal for the Phoenix program to ‘neutralize’ twenty thousand NFL agents during the year. 1983 ‘J. le Carré’ Little Drummer Girl ii. xxiii. 366 ‘If you were me..what would you do with him?’ ‘Neutralise him.’ ‘Shoot him?’ ‘That's your business.’ 1996 Nieman Reports Spring 3 Editors who sense of accuracy and honesty is outraged by military use of ‘neutralize’ for kill routinely print stories about ‘layoffs’ to refer to workers who have been fired. 3. transitive. To render (a state) neutral; to exempt or exclude (a place) from the sphere of warlike operations. ΘΚΠ society > armed hostility > peace > neutrality > neutralize [verb (transitive)] neutralize1813 1813 R. Wilson Let. 13 Mar. (1861) I. 304 The Austrian contingent on the River Pilica is not yet neutralised by any treaty. 1816 T. Jefferson Let. 11 Jan. in Writings (1984) 1376 France too is the natural ally of the Turk..and might be useful in neutralizing and perhaps turning that power on Austria. 1883 Manch. Guard. 15 Oct. 5/4 Such an Egypt..would..be neutralised under a general European guarantee. 1914 Times (Sunday ed.) 2 Aug. 4/3 In virtue of the Treaty of London signed on May 11, 1867, the Grand Duchy of Luxemburg was neutralized under the collective guarantee of the signatory Powers. 1988 R. Allison Soviet Union & Strategy of Non-alignment (BNC) 129 In 1954 Molotov more clearly presented the idea of neutralising Germany. 4. transitive. Motor Racing and Cycling. To declare (a part or section of a course) ineligible for consideration in determining the overall result of the event. ΘΚΠ society > leisure > sport > types of sport or game > racing or race > racing with vehicles > motor racing > race motors [verb (transitive)] > discount section of course neutralize1902 1902 Encycl. Brit. XXXI. 13/2 Deducting the Swiss portion of the route (which was neutralized), the distance was 615 miles. 1903 Sci. Amer. Suppl. 20 June 22958 A number of different villages were neutralized, and the chauffeurs were given from 5 to 25 minutes to make the passage. 1971 P. Browning Rally Man. vi. 54 My immediate reaction was to neutralize the frontier crossing—that is to say..disregard the time taken to pass between the two officials. 1977 G. Nicholson Great Bike Race (1978) 17 The race may also be neutralised when it is disrupted by a road accident or obstruction, a political demonstration or extremely bad weather. II. Scientific and technical uses. 5. a. transitive. Chemistry. To make chemically neutral; to eliminate the acidity or alkalinity of (a substance). ΘΚΠ the world > matter > chemistry > chemical reactions or processes > undergo chemical reactions or processes [verb] > undergo chemical reactions or processes (named) > undergo neutralization neutralize1744 the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to miscellaneous other processes reduce?a1425 weaken1540 projecta1550 brown1570 spiritualize1593 colliquate1603 redisperse1621 imbibe1626 educe1651 to cant off1658 part1663 regalize1664 dint1669 roche1679 subtilizea1722 neutralize1744 develop1756 evolve1772 extricate1790 separate1805 unburn1815 leach1860 methylate1864 nitrate1872 nitre1880 sweeten1885 deflocculate1909 hybridize1959 1744 Philos. Trans. (Royal Soc.) 43 8 One might hope to neutralize or destroy such a Superabundancy of volatile alkaline Salts, by the prudent Use of this fine volatile Acid; which is capable of being mixed with Water, Julaps, and most Sorts of Drinks. 1760 Philos. Trans. 1759 (Royal Soc.) 51 51 I neutralized Spanish White, by fermenting it with vinegar. 1816 M. Faraday Exper. Res. i. 2 The solution was..neutralized by sulphuric acid, and precipitated. 1841 W. T. Brande Man. Chem. (ed. 5) 639 The alkali in the basin is now to be neutralized with the acid in the tube. 1911 W. H. Simmons & C. A. Mitchell Edible Fats & Oils iii. 26 In this process of refining not only are the albuminous and resinous matters precipitated, but the free fatty acids in the oil are neutralized. 1984 J. F. Lamb et al. Essent. Physiol. (ed. 2) vi. 156 If the chyme is acid then secretion is rich in bicarbonate which neutralises the acid. 1993 Outdoor Canada Mar. 14/3 In 1989, the ministry dumped lime into Whirligig Lake to neutralise its acidity. b. transitive. To make electrically neutral; to eliminate (positive or negative charge). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric charge, electricity > charge [verb (transitive)] > remove charge unelectrify1761 neutralize1814 diselectrify1881 1814 Philos. Trans. (Royal Soc.) 1 481 The flame..of oil or of wax must be considered as consisting chiefly of these bodies in a state of vapour; and as their natural electricity is positive,..when they are applied to a negative pole, their inherent positive electricity will neutralize that of the battery to which they are united. 1837 D. Brewster Treat. Magnetism 122 If we carry the needle, when perfectly neutralized, round the sphere. 1860 G. B. Prescott Electr. Telegr. 16 The contrary electricities may be neutralized..by means of an insulated conductor. 1889 G. M. Hopkins Exper. Sci. (1893) xvii. 360 When the pith ball touches the glass rod, its former charge of electricity becomes neutralized, and it receives a charge by conduction which is like that of the glass rod. 1924 A. J. Allmand & H. J. T. Ellingham Princ. Appl. Electrochem. (ed. 2) xix. 416 The H· ions formed will migrate cathodewards, and will be neutralised by the OH′ ions entering the anolyte. 1974 V. B. Mountcastle et al. Med. Physiol. (ed. 13) II. lx. 1411/2 In the plasma the anions to be neutralized are mainly those of strong, nonvolatile acids. 1986 Professional Photogr. Oct. 18/1 The treated air, which contains both positive and negative ions, therefore neutralises any electrostatic charge which may be on a film as it is passed between the ionising bars. 6. a. transitive. Biology and Medicine. To inactivate (a toxin, other biologically active substance, or pathogen), esp. by the action of an antiserum or antibody; spec. to render a virus non-infective. ΘΚΠ the world > life > biology > substance > process stimulators or inhibitors > antibody > [verb (transitive)] neutralize1803 1803 Med. & Physical Jrnl. 9 484 The vaccine virus must act in one or other of these two ways: either it must destroy the germe of the small-pox..or it must neutralize this germe. 1865 Jrnl. Mental Sci. 11 44 The poison inducing certain forms of fever cannot be neutralized by restraining or accelerating the circulation. 1892 Pop. Sci. Monthly Sept. 633 It neutralizes the potent toxalbumin of tetanus in test-tube cultures. 1902 Science 665/1 This Ehrlich regards as the antitoxin, which is capable of neutralizing the particular toxin to which it owes its origin. 1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) ix. 182 Such antisera are usually standardised, so that one unit of antitoxin theoretically neutralises 100 M.L.D. of toxin. 1968 New Eng. Jrnl. Med. 11 Jan. 90/2 Interferon does not neutralize virus but interferes with subsequent cycles of virus production by other cells. 1976 Nature 20 May 259/2 Rattlesnake venoms are neutralised also when premixed in vitro with either rattlesnake plasma or commercial antivenin. 1993 Sci. Amer. July 86/3 Although this [antibody] fragment alone will neutralize a lot of viruses, we don't know how it works. 1999 N.Y. Rev. Bks. 23 Sept. 21/2 His lab had accomplished the feat with human cells by inserting into them..a gene whose product neutralizes the function of tumor suppressor proteins. b. transitive. Ophthalmology. To annul the refractive power of (a lens) by combination with one or more other lenses of known power, esp. in order to measure the power of the first lens. ΘΚΠ the world > health and disease > healing > ophthalmology or optometry > practise ophthalmology or optometrics [verb (transitive)] > neutralize lens neutralize1902 1902 H. L. Taylor & W. S. Baxter Key to Sight Testing xxxvi. 243 A deep convex, if it could be made infinitely thin, would practically neutralize a concave of the same power. 1962 L. S. Sasieni Princ. & Pract. Optical Dispensing xv. 354 When plastic lenses have to be neutralized, the trial lenses should on no account be allowed to touch the outer surface. 1974 M. Jalie & L. Wray Pract. Ophthalmic Lenses 8 It may be necessary for unknown lenses of high focal power to be neutralized by a combination of two neutralizing lenses. 1997 Optometry & Vision Sci. 74 20 By optically neutralizing the cornea, the contact lenses also had two other important effects: (1) a reduction in refractive astigmatism to almost negligible levels, and (2) a reduction in accommodative gain. c. transitive. Electronics. To cancel internal feedback in (an amplifier stage, valve, or transistor), esp. that due to interelectrode capacitance, by providing an additional external feedback voltage of equal magnitude but opposite phase. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > cancel internal feedback neutralize1924 1924 J. A. Moyer & J. F. Wostrel Pract. Radio viii. 123 The adjustment of each neutralizing capacity is made by tuning to the radio current of some transmitting station, turning out the filament of the vacuum tube to be neutralized..and adjusting the capacity until all the sounds in the telephone receiver disappear. 1948 A. L. Albert Radio Fund. ix. 367 Triodes used in radio-frequency amplifiers must be neutralized, otherwise feedback from the plate to the grid through the interelectrode capacitance may cause oscillations. 1968 H. A. Romanowitz & R. E. Puckett Introd. to Electronics x. 410 Push-pull circuits operating at high frequencies..may be neutralized by a criss-cross connection of two capacitors, one from each tube plate, to the end of the input parallel circuit that is connected to the grid of the other tube. 1986 Proc. National Acad. Sci. U.S.A. 83 5762/2 Should there be difficulties with wild oscillations, the interelectrode capacity may be neutralized or, even better, a heterodyne scheme may be incorporated into the feedback loop. 7. transitive. Linguistics (esp. Phonetics). To render inoperative or remove (a distinction or contrast between phonemes, inflections, etc.) in a particular context or under certain conditions. Usually in passive. Cf. neutralization n. 5. ΚΠ 1957 [implied in: Webster's New World Dict. Amer. Lang. (College ed.) p. xi In some persons' speech such syllabic consonants are often replaced with syllables containing neutralized vowels. (at neutralized adj.)]. 1961 Webster's 3rd New Internat. Dict. Eng. Lang. Neutralize,..to make inoperative (a phonetic or grammatical contrast found elsewhere or formerly). 1965 Language 41 478 The oral-nasal contrast is neutralized after a nasal. 1983 P. Roach Eng. Phonetics & Phonol. 77 The two distinctions, which undoubtedly exist within strong syllables, are neutralised in RP. 1991 D. Crystal Dict. Linguistics & Phonetics (ed. 3) 233 In English, the contrast between aspirated (voiceless) and unaspirated (voiced) plosives is normally crucial, e.g. tip v. dip, but this contrast is lost, or ‘neutralised’, when the plosive is preceded by /s/, as in stop, skin, speech. 1993 Canad. Jrnl. Linguistics 38 45 Either one retains a distinction between schwa and other phonological segments, uses that distinction to condition the wide variety of alternations involving schwa, and then neutralizes the underlying difference; or one confronts apparent chaos. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < v.1642 |
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