单词 | leaky |
释义 | leakyadj. 1. a. Having a leak or leaks; full of leaks; giving passage to water or other fluid through a hole or fissure. ΘΚΠ the world > matter > liquid > liquid which has been emitted > action or process of leaking > [adjective] leakingc1420 leakya1616 the world > space > relative position > condition of being open or not closed > an opening or aperture > [adjective] > having (a) hole(s) > leaky leakc897 leakingc1420 unstanched1607 leakya1616 untight1622 the world > movement > motion in a certain direction > going or coming out > letting or sending out > [adjective] > let out > leaking leakingc1420 running?c1475 leakya1616 a1616 W. Shakespeare Tempest (1623) i. i. 45. a1616 W. Shakespeare Antony & Cleopatra (1623) iii. xiii. 63 Sir, sir, thou art so leakie That we must leaue thee to thy sinking. View more context for this quotation 1677 W. Hubbard Narr. Troubles with Indians New-Eng. ii. 67 He would not venture himself in our Leakie Canoo. 1732 G. Berkeley Alciphron I. ii. xiii. 101 A leaky Vessel, always filling and never full. 1791 W. Jessop Rep. River Witham 15 Lining the Canal through the leaky Soil..450l. 1835 J. Ross Narr. Second Voy. North-west Passage ii. 11 The ship was so leaky as to require the constant use of two pumps. 1868 W. Morris Earthly Paradise 98 We lay Leaky, dismasted, a most helpless prey To winds and waves. 1872 J. Yeats Techn. Hist. Commerce 141 Leaky casks. 1881 Daily News 10 Mar. 6/1 A leaky gas pipe. b. Incontinent of urine; passing urine frequently or in large quantities. ΘΚΠ the world > health and disease > ill health > a disease > disorders of internal organs > urinary disorders > [adjective] > incontinence of urine leaky1728 enuretic1943 1728 J. Gay Beggar's Opera iii. ii. 41 The Dog is leaky in his Liquor. 1897 T. C. Allbutt et al. Syst. Med. III. 242 The patient..had never had an illness in his life, except that he had always been a ‘leaky subject’. 1897 T. C. Allbutt et al. Syst. Med. III. 242 Such patients seem to drift imperceptibly into the ‘leaky’ state. c. figurative. Of persons, their tongues: Not reticent, blabbing. Of memory: Not retentive. ΘΚΠ the mind > mental capacity > memory > faulty recollection > [adjective] > of memory: not retentive short1340 slipper?a1475 unclasping1640 slippery1653 leaky1692 irretentive1749 unretentive1782 society > communication > manifestation > disclosure or revelation > [adjective] > secrets labbing1402 unsecreta1586 blabbish1604 blabbinga1616 leaky1692 loose-tongued1883 blab-mouthed1913 tell-all1930 1692 R. L'Estrange Fables ccccxxvii. 402 Women are generally so leaky, that..I have hardly met with one of the Sex that could not hold her Breath longer than she should keep a secret. 1703 J. Quick Dec. Wife's Sister 18 Our Memories are exceeding feeble, leaky and forgetful. 1740 W. Somervile Hobbinol i. 242 But be thou, my Muse! No leaky Blab. 1805 G. Rose Diaries (1860) I. 244 It is true he is leaky, but I believe would not willingly tell anything. 1845 H. Rogers Ess. I. iii. 93 [It] must depend..on the doubtful authority, and leaky memory of those who report it. d. Retaining electric charge only with gradual loss; connected to or having a high resistance that acts as a ‘leak’; leaky-grid detection, detection in which the signal is applied to the grid of a valve through a series capacitor and a resistor (the latter being connected as a grid leak or in parallel with the capacitor). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > resistance > [adjective] resistive1903 leaky1904 photoresistive1933 piezoresistive1935 the world > matter > physics > electromagnetic radiation > electricity > electric charge, electricity > [adjective] > suffering gradual loss leaky1904 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > recovery of signal from carrier detection1906 demodulation1920 leaky-grid detection1934 slope detection1949 1904 A. Russell Treat. Theory Alternating Currents I. xvii. 384 (heading) Inductive coil and leaky condenser. 1922 J. Scott-Taggart Wireless Vacuum Tubes (ed. 4) iv. 89 Leaky grid condenser rectification. 1922 J. Scott-Taggart Wireless Vacuum Tubes (ed. 4) vii. 132 If we employ a leaky grid condenser we can obtain a suitable negative grid potential without..a battery. 1922 J. Scott-Taggart Wireless Vacuum Tubes (ed. 4) viii. 167 A leaky grid condenser may be connected in the grid circuit. 1934 Jrnl. Inst. Electr. Engineers 75 298/2 Leaky-grid detection is used in this receiver. 1962 D. F. Shaw Introd. Electronics ii. 35 A leaky capacitor..in which the leakage resistance is represented by a shunt. 1968 Radio Communication Handbk. (ed. 4) ii. 17/1 Any d.c. voltage developed across the grid leak by the rectification of a modulated or an unmodulated signal will thus constitute a negative bias for the grid and the anode current in the triode will fall... An excessively strong signal will tend to bias the valve beyond the cut-off point, and therefore a leaky-grid detector ceases to function satisfactorily when the input voltage is too great. 1969 R. G. Middleton Transistor Television Servicing Guide ix. 105/1 A leaky transistor, such as 22..increases in temperature. e. Of persons: lachrymose. Also as n. ΘΚΠ the mind > emotion > suffering > sorrow or grief > lamentation or expression of grief > weeping > [adjective] weepingc900 wopi?c1225 greetingfula1340 greetyc1350 weeplyc1374 weepfula1382 weepinglyc1440 lachrymablec1450 moistc1450 lachrymous1490 rainy1563 tearfula1586 greeting1588 collachrymate1593 crying1594 onion-eyeda1616 maudlinc1616 rheumatica1627 fluxed1628 lachrymalc1630 crystal-droppinga1650 showery1654 lugent1656 Niobean1665 lachrymary1693 lachrymose1727 moist-eyed1797 larmoyant1824 pluviose1824 ploratory1831 lachrymating1837 screwmatic1847 pipy1861 weepy1863 blarting1898 leaky1905 the mind > emotion > suffering > sorrow or grief > lamentation or expression of grief > weeping > [noun] > weeper > childishly cry-baby1852 leaky1959 1905 H. A. Vachell Hill vii. 151 ‘I ain't the leaky sort,’ she added fiercely, still gasping. 1959 I. Opie & P. Opie Lore & Lang. Schoolchildren x. 187 Croydon boys have twenty names for a cry-baby:..leaky, [etc.]. 2. Genetics. Of a mutant: producing the protein specified by the mutated gene in a form with reduced activity compared with that produced by the wild type. Of a protein so produced: having reduced activity. Cf. hypomorphic adj. at hypo- prefix 2. ΘΚΠ the world > life > biology > biological processes > genetic activity > [adjective] > changes or actions of genes or chromosomes > mutation > specific quality of leaky1955 missense1961 1955 Proc. National Acad. Sci. U.S.A. 41 347 Under given conditions, however, the coefficient can be used as a comparative index of degree of phenotypic effect, a ‘leaky’ mutant having a high coefficient. 1959 Proc. National Acad. Sci. U.S.A. 45 204 This strain is a leaky derivative of strain 21863 [of Neurospora crassa]. 1961 Nature 30 Dec. 1227/2 Mutants produced by acridines are seldom ‘leaky’; they are almost always completely lacking in the function of the gene. 1966 E. A. Carlson Gene xiii. 112 The microbial geneticist today uses the term ‘leaky mutant’ for hypomorph. 1968 R. C. King Dict. Genetics 141 Leaky protein, a mutant protein that has a subnormal degree of biological activity. This entry has not yet been fully updated (first published 1902; most recently modified version published online March 2022). < |
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