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单词 convergency
释义

convergencyn.

/kənˈvəːdʒənsi/
Etymology: < converge v. + -ency suffix.
1.
a. The state or quality of being convergent.
ΘΚΠ
the world > space > relative position > inclination > state or quality of being convergent > [noun]
convergency1709
convergence1833
1709 G. Berkeley Ess. New Theory of Vision §35. 35 The Convergency, or Divergency of the Rays.
1831 D. Brewster Treat. Optics iv. §41 Rays of different degrees of divergency and convergency.
1846 J. Joyce Sci. Dialogues xvii. 312 To collect the light, or to bring it to a proper degree of convergency.
b. transferred and figurative of things immaterial.
ΚΠ
1801 J. Foster Let. 14 Dec. in Life & Corr. J. Foster (1846) I. 140 A kind of convergency in my feelings.
2. Mathematics; cf. convergence n. 3.
ΘΚΠ
the world > relative properties > number > mathematical number or quantity > numerical arrangement > [noun] > set > sequence > series > convergent
convergency1791
convergence1858
Fourier('s) series1877
1791 Waring in Philos. Trans. (Royal Soc.) 81 151 Many more propositions concerning infinite series and their convergency are given in the Medit. Analyt.
1887 H. S. Hall & S. R. Knight Higher Algebra xxi. (heading) Convergency and Divergency of Series.
1887 H. S. Hall & S. R. Knight Higher Algebra xxi. §279, 230 Rules by which we can test the convergency or divergency of a given series without effecting its summation.
3. = convergence n. 1, 2.
ΘΚΠ
the world > movement > motion in a certain direction > movement towards a thing, person, or position > [noun] > towards each other or convergence
concourse1398
recountera1470
congress1578
concurrency1597
flocking1604
confluence1606
contraction1610
congression1611
closing1625
conflux1655
coition1656
concurrencea1661
convolation1676
concursion1692
convergence1713
convergency1794
the world > space > relative position > inclination > state or quality of being convergent > [noun] > action or fact of converging
congress1578
contracting1585
congression1611
concentration1612
concentering1641
convergence1713
convergency1794
convergement1839
focusing1844
1794 G. Adams Lect. Nat. & Exper. Philos. II. xv. 183 The point of convergency.
1836 W. S. Landor Pericles & Aspasia II. 265 Humours, the idioms of life..are generalised in the concourse and convergency of innumerable races.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2019).
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