| 释义 |
sex-|sɛks|
repr. L. sex six in combination (as in sexangulus sexangular, sexennis sexennial), occurs in many mod. formations, chiefly scientific or technical. (In some of these sexi- is also used.)
1. Forming parasynthetic compounds, as sexannulate (= six-ringed), sexarticulate, sexcuspidate, sexlocular, sexradiate, sextubercular, sex-tuberculate adjs. (see annulate, etc.); sexˈdigital, -ˈdigitate, -ˈdigitated (also sedigital, etc. after L.) adjs., having six digits (fingers or toes); sexˈdigitism, the condition of having six digits; sexˈdigitist, one who has six digits; sexˈfarious a. Bot. [mod.L. sexfarius], see quot.; ˈsexfid a. [mod.L. sexfidus], divided into six segments; sexˈtactic a. Math., pertaining to or involving six coincident points of contact.
1856W. Clark Van der Hoeven's Zool. I. 317 Loxocera,..Abdomen elongate, *sexannulate.
Ibid. 345 Chironomus,..Antennæ filiform,..in females *sexarticulate.
1899Proc. Zool. Soc. 560 In the molars..the derivation from the *sexcuspidate type is equally recognizable.
1898Syd. Soc. Lex., *Sexdigital, having six digits.
1868Darwin Anim. & Pl. II. xii. 13 The child of the fifth generation would have only 1-32nd part of the blood of his *sedigitated ancestor.
1775Ash Suppl., *Sexdigitism. 1825A. Clarke Bible Comm. II. 2 Sam. xxi. 20 Maupertius..says, that he met with two families near Berlin, where sexdigitism was equally transmitted on both sides of father and mother. 1880Proctor Rough Ways 211 In a branch of a well-known Scotch family sex-digitism—after continuing for three or four generations—has apparently disappeared.
1775Ash Suppl., *Sexdigitist.
1900B. D. Jackson Gloss. Bot. Terms, *Sexfarious, presenting six rows, extending longitudinally round an axis.
1760J. Lee Introd. Bot. i. xi. (1776) 26 In respect to its Segments..it [a calyx] is..*Sexfid, in six. 1785Martyn Rousseau's Bot. xxiv. (1794) 341 The exterior calyx..in Alcea is sexfid.
1777Robson Brit. Flora 34 *Sexlocular, divided into six cells, as in Asarum. 1853Macdonald & Allan Bot. Word-bk. 29 Sexlocular, applied to a pericarpium which has six internal divisions or cells.
1874J. E. Gray in Ann. Nat. Hist. Ser. iv. XIII. 288 Sponges with spicules of the *sexradiate type.
1859Cayley Math. Papers (1891) IV. 228 The twenty-seven *sextactic points form nine groups of three each. 1893Ibid. (1897) XIII. 387 Halphen assumes that a2d-3 abc + 2 b3 is the sextactic reciprocant.
1890Nature 20 Mar. 467/1 The addition of a postero-internal cusp in the bunodont series gives us the *sextubercular molar.
1899Proc. Zool. Soc. 558 The unworn molars..are..*sextuberculate.
b. Chem. In the names of classes of compounds, denoting the presence of six atoms, molecules, or combining proportions of the substance indicated by the second part of the compound, as sexaˈluminate, sexˈborate, sexˈdecyl. Also in other kinds of words: † sexˈbasic a., having six combining proportions of the base; sexˈvalent a., having an equivalence of six, combining with or replacing six hydrogen atoms.
1836T. Thomson Min., Geol., etc. I. 219 The mineral might be considered as composed of 2 atoms sexaluminate of magnesia 1 atom tersilicate of magnesia. 1841Brande Chem. (ed. 5) 839 A hydrated sexbasic nitrate of lead is formed. 1849Watts tr. Gmelin's Handbk. Chem. III. 89 Sexborate of soda. 1868Fownes' Chem. (ed. 10) 632 Sex⁓decyl, or Cetyl Alcohol,..also called Ethal, is obtained from spermaceti. 1872Watts Dict. Chem. VI. 243 Sulphur, regarded as sexvalent, may take with it into combination the quinquivalent group. 1877― Fownes' Chem. I. 256 Sexvalent elements, or Hexads.
2. Combined with a numerical element: sexˈdecimal, ˌsexduoˈdecimal, seˈxoctonal adjs. (see quots. 1816, 1822); sexˈdecimo = sextodecimo; sexmilleˈnarian a., holding the doctrine of the ‘sexmillenary duration’ of the world: sexmiˈllenary, -miˈllennial adjs., of 6000 years.
1816R. Jameson Char. Min. (ed. 2) 201 *Sex-decimal, when the planes that belong to the prism..and those which belong to the two summits, are the one six, and the other ten in number, or vice versa. In the same manner, we say, octo-decimal, *sex-duodecimal [etc.].
1870J. Power Handy-bk. 112 *Sex-decimo,—sixteenmo; contraction, 16mo, now called foolscap 8vo.
1851A. P. Stanley in Life & Lett. (1893) I. 429 A conversation..going on between the Dean, Dr. Spry, and the *sexmillenarian C―.
1728Earbery tr. Burnet's St. Dead II. 16 The Prophecy of the Jews..of the *Sex⁓millenary Duration thereof [sc. of the World].
1684T. Burnet Th. Earth ii. 34 The prophecy..concerning the *sexmillennial duration of the world.
1822P. Cleaveland Min. (ed. 2) I. 36 Quadridecimal, octodecimal,..octosexdecimal, *sexoctonal, &c. when..a prism or the middle part of a crystal, and the two summits have the number of faces, indicated by the several names respectively. Thus..plomb carbonaté (carbonate of lead) sexoctonal. |