单词 | mu |
释义 | mun.1 I. The letter. 1. (The name of) the twelfth letter (μ, Μ) of the Greek alphabet.In transliterating ancient Greek, usually rendered as m. ΘΚΠ society > communication > writing > written character > name of written character > [noun] > Greek alphac1175 muc1175 betaa1400 taua1400 chic1400 deltac1400 etac1400 kappac1400 gamma?a1425 lambda?a1425 nu?a1425 phi?a1425 pi?a1425 psi?a1425 rho?a1425 xi?a1425 zeta?a1425 upsilon1559 san1584 omega1599 theta1603 iota1607 sigma1607 omicron1631 digamma1699 epsilon1842 zeta1850 c1175 Ormulum (Burchfield transcript) l. 16422 Off þatt name toc drihhtin..An staff. þatt iss ȝehatenn. My Affterr gricc landess spæche. To timmbrenn till þe firrste mann Hiss name off stafess fowwre. ?a1425 Mandeville's Trav. (Egerton) (1889) 11 If ȝe wil wit of þe abce of Grew and what kyn letters þai hafe, here ȝe may see þam and þer names also: alpha α, beta β.., mi μ, [etc.]. 1771 P. Luckombe Hist. & Art of Printing 461 (table) Mμ, Mu. 1890 Amer. Dict. Printing & Bookmaking 239/2 The letters which are much alike..are..μ, mu, and υ, upsilon. 1974 M. Clifford Encycl. Home Wiring & Electr. i. 7 The Greek letter mu is used to represent either microamperes or microvolts. 1989 G. E. Klyve & C. G. Oakley Legend of Perseus 187 It looks like the letter ‘Mu’ upside-down. 2. Astronomy. Used in the name of the twelfth star of a constellation. Usually written μ.The use of Greek letters to designate the stars in a constellation was introduced by J. Bayer in his Uranometria (1603). There is an approximate correspondence between the ordinal positions of the stars in this series and their brightness. ΚΠ 1739 Philos. Trans. 1737–8 (Royal Soc.) 40 101 Before the Eclipse, I took several Differences of Right Ascension and Declination between ♂ and μ Piscium, for ascertaining the true Place of Mars. 1796 W. Herschel in Philos. Trans. (Royal Soc.) 86 194 (table) Lustre of the stars in Aquarius... μ 4·5. 1895 Science 29 Nov. 725/2 Dr. Davis has carried several clusters almost to completion. These include the stars surrounding Mu Cassiopeiae. 1905 Westm. Gaz. 13 Feb. 10/1 In the constellation of the Twins, near the third-magnitude star Mu. 1970 Jrnl. Brit. Astron. Assoc. 81 20 The suspected duplicity of μ Arietis has recently been confirmed. 1992 S. P. Maran Astron. & Astrophysics Encycl. 57/2 (caption) The photcentric orbit of μ Cassiopeiae. II. Symbolical uses. 3. Science. One micrometre (micron). Usually written μm or μ. ΘΚΠ the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > metre > the millionth part of a metre micron1879 micrometre1880 mu1888 mikrom1898 1880 Procès-Verbaux des Séances du Comité Internat. des Poids et Mesures 1879 41 Le Comité international des Poids et Mesures adopte, pour ses publications et son usage officiel, le système suivant des signes abréviatifs pour les poids et mesures métriques... (table) Mesures de longueur... Micron... μ.] 1888 Nature 8 Mar. 438/1 Micron is currently used here to express 1/1000 of a millimetre. French botanists call it μ, and seldom use its first decimal because they cannot see such a small space. 1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 398/2 Mu, in micrometry, a micron or micromillimeter. 1957 Jrnl. Anat. 91 2 The mean nuclear volume in six [vole] oocytes was found to be 5200 μ3. 1959 Listener 31 Dec. 1161/1 Cell sizes range from a few mu to a few dozens of mu. 1970 E. J. Ambrose & D. M. Easty Cell Biol. i. 7 Bacteria..vary greatly in size from a diameter of 5,000 Å for the cocci up to about 20 μ in length for some of the filamentous bacteria. 1991 Metalworking Production Sept. 53/3 The thin films have an average particle size of 2μ. 4. Electronics. The amplification factor of a valve. Frequently written μ.variable-mu: see variable adj. and n. Compounds 2b. ΚΠ 1918 H. J. van der Bijl in Physical Rev. 12 184 The factor μ0, which plays a very important part in the theory of operation of the thermionic amplifier, can be more easily and accurately determined with the help of equation (19), which gives the relation between the anode and grid potentials necessary to maintain the current at some convenient constant value. 1927 B. F. Dashiell Pop. Guide to Radio vi. 98 The amplification constant of a tube, usually designated as mu, is a measure of the relative effect of changing the grid bias compared to changes in the plate voltage. 1970 Single Sideband for Radio Amateur (Amer. Radio Relay League) (ed. 5) iv. 116/1 The 811-A tube is rated for Class-B audio service as a high-μ triode. 1988 V. Capel Audio & Hi-Fi Engineer's Pocket Bk. 124 As the factor is volts divided by volts there is no unit, but it is usually represented by μ and termed mu. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). Mun.2 (The name given to) one of three supposed island continents, now sunken, from which (according to some esp. 19th-century commentators) civilization was believed to have sprung.As the quots. demonstrate, there is debate about Mu's supposed location. Some writers on the subject place Mu in the Pacific Ocean, with the two other supposed lost continents, Atlantis and Lemuria, being placed in the Atlantic and Indian Oceans respectively. Other writers identify Mu as a part of Lemuria, conceived as a transcontinental land mass. ΚΠ 1886 A. Le Plongeon Sacred Mysteries 33 The shape of the temples was that of the Egyptian letter M called ‘ma’, a word that also means place, country and, by extension, the Universe... Ma is also the radical of Mayax; and likewise, in the Maya language, it means the country, the Earth.] 1896 A. Le Plongeon Queen Móo & Egyptian Sphinx vi. 66 In our journey westward across the Atlantic we shall pass in sight of that spot where once existed the pride and life of the ocean, the Land of Mu. 1960 C. Winick Dict. Anthropol. 372/1 Mu, a hypothetical sunken Pacific island where civilization allegedly began. 1989 W. Weaver tr. U. Eco Foucault's Pendulum xlv. 272 It seems that originally there existed, somewhere around Australia, a continent of Mu, and from there the great currents of migration spread out. 1990 D. Carrasco Relig. Mesoamer. ii. 25 One extreme example of diffusionist thought very popular in the nineteenth century claimed that the lost continent of Atlantis or Mu was the original home of ancient American civilizations. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). mun.3int. Zen Buddhism. A. n.3 A state of voidness, nothingness, or detachment which is thought to transcend the concepts of negative and positive. ΚΠ 1913 E. J. Harrison Fighting Spirit Japan 162 When you open your mouth wide to expel the air you get na, and when you shut your mouth in expelling the air you get mu. 1927 D. T. Suzuki Ess. Zen Buddhism 1st Ser. 240 The ‘Mu’ became so inseparably attached to me that I could not get away from it even while asleep. This whole universe seemed to be nothing but the ‘Mu’ itself. 1933 D. T. Suzuki Ess. Zen Buddhism 2nd Ser. i. 162 Inquire into the meaning of the ‘Mu’ saying to yourself that ‘This body of mine is the “Mu” itself, and what does it all mean?’ 1960 B. Leach Potter in Japan x. 222 Appreciation of the meaning of ‘Mu’, or unattachment, deeply imbedded in Taoism, Buddhism and ever present in Zen-inspired arts and crafts. 1990 J. W. Heisig & P. F. Knitter tr. H. Dumoulin Zen Buddhism II. ix. 371 The master said: ‘How do you understand Chao-chou's mu?’ I replied: ‘What sort of place does mu have that one can attach arms and legs to it?’ 1995 B. A. Haines Karate's Hist. & Trad. (rev. ed.) 114 In judo the mu principle is applied when two opponents face each other before a match, the idea being to clear the mind of extraneous thoughts. 2015 W. E. Deal & B. Ruppert Cultural Hist. Japanese Buddhism 179 He [sc. Fernandez, in a letter to Francis Xavier] outlined the stark distinction between the theistic argument, on the one hand, and the argument according to ‘nothingness’ (mu, i.e. emptiness) on the other. B. int. Used as an alternative to answering either ‘yes’ or ‘no’, in order to reject the validity of the question. rare. ΚΠ 1934 N. Senzaki & P. Reps Gateless Gate 9 A monk asked Joshu, a Chinese Zen Master: ‘Has a dog Buddha-nature, or not?’ Joshu answered ‘Mu.’ 1979 D. R. Hofstadter Gödel, Escher, Bach x. 312 You see, ‘mu’ is an ancient Zen answer which, when given to a question, unasks the question. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). mun.4 U.S. slang. Marijuana; a marijuana cigarette.Later glossarial evidence probably reflects copying from earlier sources. ΘΚΠ the world > physical sensation > use of drugs and poison > an intoxicating drug > [noun] > a) narcotic drug(s) > marijuana or cannabis bhang1598 hashish1598 cannabis1765 ganja1800 Indian hemp1803 sabzi1804 cannabin1843 deiamba1851 charas1860 liamba1861 hemp1870 cannabis resin1871 marijuana1874 kef1878 locoweed1898 weed1917 Mary Ann1925 mootah1926 muggle1926 Mary Jane1928 Mary Warner1933 Mary and Johnny1935 Indian hay1936 mu1936 mezz1937 moocah1937 grass1938 jive1938 pot1938 mary1940 reefer1944 rope1944 smoke1946 hash1948 pod1952 gear1954 green1957 smoking weed1957 boo1959 Acapulco1965 doobie1967 Mary J1967 cheeba1971 Maui Wowie1971 4201974 Maui1977 pakalolo1977 spliff1977 draw1979 kush1979 resin1980 bud1982 swag1986 puff1989 chronic1992 schwag1993 hydro1995 1936 Health Officer (U.S. Public Health Service) Dec. 300 The marijuana ‘business’ has its own vocabulary. The drug and cigarettes containing it are known as ‘fu’, ‘mezz’, ‘mootah’, ‘mu’, ‘muggles’, ‘reefers’, ‘the weed’, ‘Indian hay’, ‘loco weed’, and ‘Mary Warner’. 1943 Time 19 July 54/2 Marijuana may be called muggles, mooter, Mary Warner, Mary Jane, Indian hay, loco weed, love weed, bambalacha, mohasky, mu, moocah, grass, tea or blue sage. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). mun.5 Genetics. A temperate phage (family Myoviridae) which infects various enterobacteria, integrating into the host chromosome more or less randomly (often resulting in host mutations) and functioning as a transposon. ΘΚΠ the world > life > biology > organism > micro-organism > virus > phage > [noun] bacteriophage1921 phage1925 mu1963 1963 A. L. Taylor in Proc. National Acad. Sci. U.S.A. 50 1043 This report describes a novel temperate bacteriophage, designated phage Mu1, that causes severe genetic modifications in its natural host, E. coli K12. 1969 A. M. Campbell Episomes v. 79 While some sites are preferred, insertion can happen almost anywhere, in or near almost any gene. An episome that resembles F in this respect is the ‘mutator phage’ mu. 1990 EMBO Jrnl. 9 4056/1 For two transposable elements, bacteriophage Mu and transposon Tn10, it has been shown in cell-free systems that the 3′ ends of the transposable element are joined to the 5′ target ends. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1c1175n.21896n.3int.1913n.41936n.51963 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。