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单词 dialytic
释义

dialyticadj.

Brit. /ˌdʌɪəˈlɪtɪk/, U.S. /ˌdaɪəˈlɪdɪk/
Forms: 1800s– dialytic, 1800s– dyalitic (rare).
Origin: A borrowing from Greek. Etymon: Greek διαλυτικός.
Etymology: < ancient Greek διαλυτικός relaxing (Hippocrates), able to sever, destructive (Plato) < Hellenistic Greek διάλυτος relaxed, capable of dissolution (although this is apparently first attested later: see dialyton n.) + -ικός -ic suffix.In senses 2 and 5 after German dialytisch (1832 or earlier applied to telescopes, 1858 in the geological sense ( C. F. Naumann Lehrb. der Geognosie I. 653)); compare French dialytique (1833 or earlier in this sense; 1832 or earlier in sense ‘(of a substance) that can be dissolved, soluble’). In sense 3, and apparently in most of the other senses, ultimately after ancient Greek διαλύειν to break up, dissolve (see dialysis n.). In senses 1b and 4 after dialysis n. With sense 1b compare French dialytique (1780 (in maladies dialytiques) or earlier in this sense).
1.
a. U.S. Of or relating to dissolution. Obsolete.In quot. 1813 as part of an extended metaphor with reference to the New England secessionist movement during the Anglo-American war of 1812–15.
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1813 T. Jefferson Let. 20 Sept. in Papers (2009) Retirement Ser. VI. 519 Whether a dispassionate discussion before the public, of the advantages and disadvantages of separation to both parties, would be the best medecine for this dialytic fever..may be doubted.
b. Medicine. Of or relating to a process of dissolution or relaxation. Obsolete. rare.
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1845 G. E. Day tr. J. F. Simon Animal Chem. I. 140 A dialytic, catalytic, or, as Schwann terms it, a metabolic change on the plasma of the blood [Ger. dass sie..dialysirend oder katalysirend, oder wie endlich Schwann sich ausdrückt, metabolisirend auf das Blutplasma einwirken].
1857 Western Lancet 18 457 The acetic ether entering into the formula of the second dialytic liniment of the authors.
1882 New Sydenham Soc. Lexicon Dialytic, relating or pertaining to Dialysis; relaxing.
2. Astronomy. Designating a refracting telescope in which chromatic aberration in the objective lens is corrected by a second lens placed at some distance from it; relating to such a telescope. Now chiefly historical.
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the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [adjective] > telescope > other telescopes
Galilean1728
dialytic1839
coudé1888
autocollimating1898
Keplerian1909
double-barrelled1955
Dobsonian1980
1839 Monthly Notices Royal Astron. Soc. 1836–9 4 68 A new Telescope, made by M. Plössl, of Vienna, and belonging to Mr. Talbot, was exhibited: it is called a dialytic telescope and is formed on the principle announced by Mr. Rogers.
1879 G. G. Stokes Let. 8 Aug. in Mem. & Sci. Corr. (1907) I. 357 If a telescope is to be made with crown and flint glasses of given quality, and if the power of the crown glass lens is also given, then the telescope is lengthened by being made of the dialytic form, not shortened as I had supposed.
1955 G. W. Dunnington Carl Friedrich Gauss xiv. 169 Gauss' letter of December 23, 1840..informed him that the chromatic error of the dialytic objective can be completely compensated by the eyepiece.
1991 P. L. Manly Unusual Telescopes (1995) i. 55 In his incarnation of the dialytic telescope, he has also shortened the overall optical path by folding it with a flat.
2005 M. B. Pepin Care Astron. Telescopes & Accessories v. 83/1 Peter Barlow (1776-1862)..invented and published a number of interesting optical devices, including an achromat objective that used a dialytic correcting element filled with carbon disulphide.
3. Mathematics. Designating a method of solving a set of polynomial equations by a form of elimination of variables, treating each power of a variable as a distinct element (see quot. 1853); relating to this method.
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1841 J. J. Sylvester in Cambr. Math. Jrnl. 2 233 The aversion I felt to reject either, led me to employ both, and thus was the occasion of the Dialytic Principle of Solution manifesting itself.
1853 J. J. Sylvester in Philos. Trans. (Royal Soc.) 143 i. 544 If there be a system of functions containing in each term different combinations of the powers of the variables in number equal to the number of the functions, a resultant may be formed from these functions, by, as it were, dissolving the relations which connect together the different combinations of the powers of the variables, and treating them as simple independent quantities linearly involved in the functions. The resultant so formed is called the Dialytic Resultant of the functions supposed; and any method by which the elimination between two or more equations can be made to depend on the formation of such a resultant is called a dialytic method of elimination.
1911 Amer. Jrnl. Math. 33 16 We may eliminate ρ by Sylvester's dialytic method.
1999 S. Y. Nof in Handbk. Industr. Robotics (ed. 2) vi. 85 By elimination of variables in a systematic way, n − 1 variables are eliminated in a system of n polynomials in n variables, and a single polynomial in one variable is obtained. This method is called dyalitic elimination.
2010 J. L. Awange et al. Algebraic Geodesy & Geoinformatics (ed. 2) v. 55 A simple way to construct a resultant matrix is to use the dialytic method.
4. Chemistry and Medicine. Of the nature of or relating to the process of dialysis (dialysis n. 4).
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the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to dialysis
dialysable1861
dialytic1861
dialysed1864
1861 T. Graham in Philos. Trans. (Royal Soc.) 151 186 The most suitable of all substances for the dialytic septum appears to be the commercial material known as vegetable parchment or parchment paper.
1865 Clin. Lect. & Rep. (Med. & Surg. Staff London Hosp.) 2 27 The mucous tissues of the alimentary canal are porous, like the general tissues of the body, and thus permit of porous as well as dialytic diffusion.
1876 Catal. Special Loan Coll. Sci. Apparatus S. Kensington Mus. §2546 Experiments on absorption and dialytic separation of gases by colloid septa.
1879 J. Attfield Chem. (ed. 8) 612 ‘Dialyzed iron’ or ‘dialytic iron’.
1904 Med. Age 25 Aug. 630 Serious disturbances of the dialytic functions of the kidney.
1939 R. J. Hartman Colloid Chem. xiv. 297 Animal sacs such as pig, ox, or fish bladders, as well as goldbeater's skin (peritoneal membranes of cattle)..are very efficient for certain dialytic separations.
1986 M. G. Levine & A. P. Lundin in M. A. Hardy et al. Positive Approaches Living with End Stage Renal Dis. xii. 112 Patients who are not suitable for or interested in transplant or home dialysis are transferred to a satellite unit after having made an initial adjustment to the dialytic process.
2009 B. Sørensen et al. Renewable Energy Focus Handbk. iv. 261/2 (caption) Measured performance of dialytic battery, containing about 30 membrane pairs in a stack.
5. Geology. In Naumann's classification: designating a type of rock formed by the chemical decomposition of pre-existing rocks. rare and now disused.
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1876 A. H. Green Geol. for Students: Physical Geol. iii. § i. 92 Those derivative rocks, which have been formed not by the mechanical wear and tear of pre-existing rocks, but by the chemical decomposition of their constituents, are sometimes called Dialytic.
1902 Jrnl. Geol. (Chicago) 10 357 They were considered..as crystalline, clastic, dialytic, or amorphous, depending on character of the constituent grains.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).
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adj.1813
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