non-periodicadj.

Brit.

/ˌnɒnpɪərɪˈɒdɪk/, U.S.

/ˈˌnɑnˌpɪriˈɑdɪk/

Origin: Formed within English, by derivation. Etymons: non- prefix, periodic adj.¹

Etymology: < non- prefix + periodic adj.¹

Characterized by or exhibiting a lack of periodicity; without regular recurrence; = aperiodic adj.

ΘΚΠ

the world > time > frequency > infrequency > [adjective] > intermittent or irregular

chopping1483

wavering1488

interpolate1547

suspensive1575

off and on1583

remitting1583

intermissive1586

fluttering1590

aguisha1602

intermittent1603

irregular1608

broken1629

intermitting1643

serratile1707

serrine1707

scattering1709

serratic1753

now-and-then1762

remittent1791

fitful1810

non-periodic1836

spasmodic1837

startful1837

interlusory1853

heterochronic1854

heterochronous1854

between-whiles1859

snatchy1861

sporadic1861

spasmodical1864

catchy1869

pauseful1877

aperiodic1879

scratchy1881

nervy1884

spurty1894

off-again on-again1923

on-again off-again1946

on-off1949

1836 Philos. Trans. (Royal Soc.) 126 136 It may be expected, like other tidal inequalities, to be resolvable into a non-periodic and a periodic part.

1843 in R. Taylor Sci. Mem. III. 221 (heading) On the non-periodic variations in the distribution of temperature on the surface of the earth.

1886 Proc. Royal Soc. 40 368 The method correcting the coefficients..for non-periodic variation between the commencement and end of the series is likewise indicated.

1902 Encycl. Brit. XXVII. 161/2 The non-periodic comets appearing since 1700 are nearly all in the hands of computers.

1932 W. L. Graff Lang. & Langs. 17 Many so-called musical tones are nonperiodic.

1965 Math. in Biol. & Med. (Med. Res. Council) iv. 141 A Fourier Integral..may be developed which describes, again in terms of sines and cosines, the waveform of a transient or nonperiodic function.

1988 I. Peterson Math. Tourist vii. 202 To get a nonperiodic pattern, the tiles must be forced to fit together only in certain ways.

1991 G. H. Tomlinson Electr. Networks & Filters 38 A pole on the negative real axis indicates a nonperiodic exponential decay.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	non-periodic
释义	non-periodicadj. Brit. /ˌnɒnpɪərɪˈɒdɪk/, U.S. /ˈˌnɑnˌpɪriˈɑdɪk/ Origin: Formed within English, by derivation. Etymons: non- prefix, periodic adj.¹ Etymology: < non- prefix + periodic adj.¹ Characterized by or exhibiting a lack of periodicity; without regular recurrence; = aperiodic adj. ΘΚΠ the world > time > frequency > infrequency > [adjective] > intermittent or irregular chopping1483 wavering1488 interpolate1547 suspensive1575 off and on1583 remitting1583 intermissive1586 fluttering1590 aguisha1602 intermittent1603 irregular1608 broken1629 intermitting1643 serratile1707 serrine1707 scattering1709 serratic1753 now-and-then1762 remittent1791 fitful1810 non-periodic1836 spasmodic1837 startful1837 interlusory1853 heterochronic1854 heterochronous1854 between-whiles1859 snatchy1861 sporadic1861 spasmodical1864 catchy1869 pauseful1877 aperiodic1879 scratchy1881 nervy1884 spurty1894 off-again on-again1923 on-again off-again1946 on-off1949 1836 Philos. Trans. (Royal Soc.) 126 136 It may be expected, like other tidal inequalities, to be resolvable into a non-periodic and a periodic part. 1843 in R. Taylor Sci. Mem. III. 221 (heading) On the non-periodic variations in the distribution of temperature on the surface of the earth. 1886 Proc. Royal Soc. 40 368 The method correcting the coefficients..for non-periodic variation between the commencement and end of the series is likewise indicated. 1902 Encycl. Brit. XXVII. 161/2 The non-periodic comets appearing since 1700 are nearly all in the hands of computers. 1932 W. L. Graff Lang. & Langs. 17 Many so-called musical tones are nonperiodic. 1965 Math. in Biol. & Med. (Med. Res. Council) iv. 141 A Fourier Integral..may be developed which describes, again in terms of sines and cosines, the waveform of a transient or nonperiodic function. 1988 I. Peterson Math. Tourist vii. 202 To get a nonperiodic pattern, the tiles must be forced to fit together only in certain ways. 1991 G. H. Tomlinson Electr. Networks & Filters 38 A pole on the negative real axis indicates a nonperiodic exponential decay. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1836
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