periodicallyadv.

Brit.

/ˌpɪərɪˈɒdᵻkli/, U.S.

/ˌpɪriˈɑdək(ə)li/

Origin: Formed within English, by derivation. Etymons: periodical adj., -ly suffix².

Etymology: < periodical adj. + -ly suffix². Compare French périodiquement (1611 in Cotgrave as periodiquement).

a. At regularly recurring or definite intervals. Now chiefly Science.

ΘΚΠ

the world > time > frequency > [adverb] > periodically

termlya1450

by circuit1601

revolvingly1611

tide-wise1611

periodically1646

statedly1658

regularly1665

regular1704

clockwork-like1761

1646 Sir T. Browne Pseudodoxia Epidemica iii. xvii. 149 They commonly doe both proceed unto perfection, and have legitimate exclusions, and periodically succeed each other.

1722 W. Wollaston Relig. of Nature v. 80 The chorus of planets moving periodically, by uniform laws, in their several orbits about [the sun].

1847 J. Craig New Universal Dict. Geocyclic, circling the earth periodically.

1867 W. Thomson & P. G. Tait Treat. Nat. Philos. I. ii. 274 This displacement will diminish and increase periodically according to a simple harmonic function of the time.

1933 A. S. Eddington Expanding Universe i. 10 They vary periodically in brightness owing to an actual pulsation or physical change of the star.

1995 Philos. Trans. (Royal Soc.) B. 349 188/2 As cells age the amount of adenylate cyclase expressed increases, and..a suspension oscillates periodically.

b. From time to time, occasionally.

ΘΚΠ

the world > time > frequency > infrequency > [adverb] > sometimes or occasionally

whiloma900

whilea1000

stoundmealc1000

stundumOE

otherwhileOE

umquhile1154

with and withc1175

by stoundsa1225

otherwhilesc1225

umbestound?c1225

umbewhilec1230

then and thenc1275

sometime…sometime1297

umstounda1300

by while13..

over while13..

sometime1340

umbe throwea1350

at timesa1382

now and again (also anon, eft, now)a1393

umbwhile1393

eftsoona1398

sometimea1400

by sithesc1400

umbestoundsc1400

from time to (formerly unto) time1423

now and (also or) then1445

ever now and nowa1470

when and whenc1470

occasionallya1475

in timesa1500

whiles?a1500

whilomsa1500

sometimes1526

somewhiles1528

at whiles1540

ever now and then1542

a-whiles1546

somewhiles…, somewhiles1547

at sometimes1548

now and thenc1550

ever and anon1558

by occasions1562

on (also upon) occasion1562

as soon…as soon1581

every now and then (also again)1642

by a time1721

once and a while1765

ever and again1788

periodically1825

in spots1851

1825 J. R. McCulloch Princ. Polit. Econ. ii. v. 198 It may even be doubted, whether Turkey and Egypt are upon an average much less populous for the plagues which periodically lay them waste.

1860 J. Tyndall Glaciers of Alps i. vii. 51 Over this summit the glacier is pushed, and has its back periodically broken.

1898 Educat. Rev. 15 412 The crazes by which teachers are periodically stampeded.

1938 R. Narayan Dark Room vi. 77 He ought to inspect his office periodically at nights.

1958 Times Lit. Suppl. 15 Aug. p. viii/2 The ingenious and at times embarrassing ploys with which English novelists periodically assert their amateur..status.

1992 Independent 1 Dec. 11/7 The taxis are run by Russian gangsters who periodically attack the ‘black skins’ or Caucasians and overturn their stalls.

2. In a magazine or periodical; in the style or character of a periodical. rare.

ΚΠ

1838 Fraser's Mag. 17 315 The crime is not the writing mischievously, or shamefully, but of writing periodically.

1897 Dict. National Biogr. at Stevenson, Robert Louis They were published periodically in the New York ‘Sun’ and ‘Black and White’, and have been in part reprinted in the ‘Edinburgh Edition’.

1912 Dict. National Biogr. at Murray, David Christie In 1879 he contributed his first novel, ‘Life's Atonement’, periodically to ‘Chambers's Journal’.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	periodically
释义	periodicallyadv. Brit. /ˌpɪərɪˈɒdᵻkli/, U.S. /ˌpɪriˈɑdək(ə)li/ Origin: Formed within English, by derivation. Etymons: periodical adj., -ly suffix². Etymology: < periodical adj. + -ly suffix². Compare French périodiquement (1611 in Cotgrave as periodiquement). 1. a. At regularly recurring or definite intervals. Now chiefly Science. ΘΚΠ the world > time > frequency > [adverb] > periodically termlya1450 by circuit1601 revolvingly1611 tide-wise1611 periodically1646 statedly1658 regularly1665 regular1704 clockwork-like1761 1646 Sir T. Browne Pseudodoxia Epidemica iii. xvii. 149 They commonly doe both proceed unto perfection, and have legitimate exclusions, and periodically succeed each other. 1722 W. Wollaston Relig. of Nature v. 80 The chorus of planets moving periodically, by uniform laws, in their several orbits about [the sun]. 1847 J. Craig New Universal Dict. Geocyclic, circling the earth periodically. 1867 W. Thomson & P. G. Tait Treat. Nat. Philos. I. ii. 274 This displacement will diminish and increase periodically according to a simple harmonic function of the time. 1933 A. S. Eddington Expanding Universe i. 10 They vary periodically in brightness owing to an actual pulsation or physical change of the star. 1995 Philos. Trans. (Royal Soc.) B. 349 188/2 As cells age the amount of adenylate cyclase expressed increases, and..a suspension oscillates periodically. b. From time to time, occasionally. ΘΚΠ the world > time > frequency > infrequency > [adverb] > sometimes or occasionally whiloma900 whilea1000 stoundmealc1000 stundumOE otherwhileOE umquhile1154 with and withc1175 by stoundsa1225 otherwhilesc1225 umbestound?c1225 umbewhilec1230 then and thenc1275 sometime…sometime1297 umstounda1300 by while13.. over while13.. sometime1340 umbe throwea1350 at timesa1382 now and again (also anon, eft, now)a1393 umbwhile1393 eftsoona1398 sometimea1400 by sithesc1400 umbestoundsc1400 from time to (formerly unto) time1423 now and (also or) then1445 ever now and nowa1470 when and whenc1470 occasionallya1475 in timesa1500 whiles?a1500 whilomsa1500 sometimes1526 somewhiles1528 at whiles1540 ever now and then1542 a-whiles1546 somewhiles…, somewhiles1547 at sometimes1548 now and thenc1550 ever and anon1558 by occasions1562 on (also upon) occasion1562 as soon…as soon1581 every now and then (also again)1642 by a time1721 once and a while1765 ever and again1788 periodically1825 in spots1851 1825 J. R. McCulloch Princ. Polit. Econ. ii. v. 198 It may even be doubted, whether Turkey and Egypt are upon an average much less populous for the plagues which periodically lay them waste. 1860 J. Tyndall Glaciers of Alps i. vii. 51 Over this summit the glacier is pushed, and has its back periodically broken. 1898 Educat. Rev. 15 412 The crazes by which teachers are periodically stampeded. 1938 R. Narayan Dark Room vi. 77 He ought to inspect his office periodically at nights. 1958 Times Lit. Suppl. 15 Aug. p. viii/2 The ingenious and at times embarrassing ploys with which English novelists periodically assert their amateur..status. 1992 Independent 1 Dec. 11/7 The taxis are run by Russian gangsters who periodically attack the ‘black skins’ or Caucasians and overturn their stalls. 2. In a magazine or periodical; in the style or character of a periodical. rare. ΚΠ 1838 Fraser's Mag. 17 315 The crime is not the writing mischievously, or shamefully, but of writing periodically. 1897 Dict. National Biogr. at Stevenson, Robert Louis They were published periodically in the New York ‘Sun’ and ‘Black and White’, and have been in part reprinted in the ‘Edinburgh Edition’. 1912 Dict. National Biogr. at Murray, David Christie In 1879 he contributed his first novel, ‘Life's Atonement’, periodically to ‘Chambers's Journal’. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adv.1646
随便看	chemometric chemometrics chemonucleolysis chemonucleolytic chemoorganotroph chemoorganotrophic chemoorganotrophy chemophobia chemopreventative chemoprevention chemopreventions chemopreventive chemoprophylactic chemoprophylaxes chemoprophylaxis chemoradiotherapy chemoreception chemoreceptions chemoreceptive chemoreceptor chemoreceptors chemoreflex chemos chemosed chemoselective