单词 | pickering |
释义 | pickeringn.1ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > order Salmoniformes (salmon or trout) > family Esocidae (pikes) > [noun] > esox lucius (true pike) > young or small pickerel1290 pickering1528 Jack1587 pod1587 jeg1611 jack pike1788 pikelet1892 1528 in T. D. Whitaker Hist. Craven (1812) 307 Item, in great pike, & pickering, 6 score. 8. l. 2. U.S. = pickerel n.1 2. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > order Salmoniformes (salmon or trout) > family Esocidae (pikes) > [noun] > esox lucius (true pike) hakedeOE pike1314 ged1324 water wolfa1398 luce14.. pike fish1494 lucetc1550 wolf1555 lucern1615 river wolf1655 jack fish1659 luscio1680 lupus1706 pickerel1709 esox1774 fresh-water shark1799 pickering1842 northern1950 1842 Nat. Hist. N.Y., Zool. iv. 16 The Champlain Pickering..is [also called] the Little Pickerel, or Pickering, which is also applied to many other species. 1884 G. B. Goode in G. B. Goode et al. Fisheries U.S.: Sect. I 424 The Sauger or Pickering of the Saint Lawrence was the original Lucioperca canadensis of Col. C. H. Smith. 1911 Rep. Comm. U.S. Bureau Fisheries 1908 315 Sauger (Stizostedion canadense)... It is known locally as..‘pickering,’ ‘pickerel,’ ‘horsefish,’ etc. 1997 Commercial Appeal (Memphis, Tennessee) (Nexis) 19 Jan. d10 Colloquial names—Sand pike, gray pike, jack, jack salmon, river pike, spotfin pike, pickering, horsefish, spotted trout and rattlesnake pike. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). Pickeringn.2 Physics. attributive and in the genitive, esp. in Pickering series. Designating (the lines of) a series in the spectrum of ionized helium with wave numbers represented by 4R(1/42 − 1/m2) (where R is the Rydberg constant and m = 5, 6,…), of which the first line has a wavelength of 1013 nanometres and the series limit is at 365 nanometres.Observed by Pickering in 1896 ( Astrophysical Jrnl. 4 369, 5 92). ΘΚΠ the world > matter > physics > atomic physics > decomposition of light, spectrum > [adjective] > referring to discoveries by specific scientists Balmer1891 Zeeman1898 Pickering1914 Lyman1922 Brackett1930 1914 Philos. Trans. (Royal Soc.) A. 214 227 The lines of the ‘4686’ and the associated Pickering Series have since become of increased importance, in connection with theories of the constitution of the atom. 1923 H. L. Brose tr. A. J. W. Sommerfeld Atomic Struct. & Spectral Lines iv. 208 Pickering's series (7) includes only one-half of the lines represented by (7a), namely, those for which k is odd. 1967 W. R. Hindmarsh Atomic Spectra ii. 5 It was first believed that the Pickering series arose from a special form of hydrogen but it is now known to be due to ionized helium. 2002 Astron. & Astrophysics 386 l13 Broad.., low equivalent width..emission lines from the He II Pickering series were clearly detected. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.11528n.21914 |
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