单词	periodic
释义	periodic adjective pe·​ri·​od·​ic ˌpir-ē-ˈä-dik  1 a : occurring or recurring at regular intervals b : occurring repeatedly from time to time 2 a : consisting of or containing a series of repeated stages, processes, or digits : cyclic periodic decimals a periodic vibration b : being a function any value of which recurs at regular intervals 3 : expressed in or characterized by periodic sentences Synonyms constant frequent habitual periodical regular repeated steady See all Synonyms & Antonyms Example Sentences He takes the car in for periodic oil changes. sent out periodic reminders about the office dress code Recent Examples on the Web Engage in periodic reviews of the memorandum of understanding with city police and participate in joint training with and from school resource officers. The Enquirer, 12 Sep. 2022 Despite that work, periodic bluff failures occur, such as one Feb. 28, 2021, that briefly halted all rail traffic and periodically delayed trains for months while repairs costing more than $10 million were made. Phil Diehl, San Diego Union-Tribune, 11 Sep. 2022 According to a release from Jeffersontown Police, Watterson Trail from Taylorsville Road to Dell Road and the area of Charlane Heights will have periodic interruptions to let runners and walkers to complete the course. Caleb Stultz, The Courier-Journal, 8 Sep. 2022 Still, the researchers concluded that astronauts should be subject to periodic blood screening to monitor any possible mutations. Joshua Hawkins, BGR, 7 Sep. 2022 Investors parsed another batch of data on the U.S. economy on Wednesday, in the Fed’s release of its periodic compilation of economic anecdotes collected from businesses around the country. Joe Wallace, WSJ, 7 Sep. 2022 Howard said Evans has not participated in any of the periodic meetings of a group of Little Rock officials working on homelessness. Joseph Flaherty, Arkansas Online, 4 Sep. 2022 Wenger added that the periodic downturns in the industry, such as the current crypto winter, serve to wash away the fly-by-night opportunists who show up during the boom periods. Jeff John Roberts, Fortune, 1 Sep. 2022 That has brought complications for farmers and periodic flooding to towns. Doug Struck, The Christian Science Monitor, 30 Aug. 2022 See More Word History First Known Use 1650, in the meaning defined at sense 1a Phrases Containing periodic periodic acid periodic law periodic table periodic sentence periodic acid periodic law periodic table periodic sentence Kids Definition periodic adjective pe·​ri·​od·​ic ˌpir-ē-ˈä-dik  : occurring regularly over a period of time Medical Definition periodic adjective pe·​ri·​od·​ic ˌpir-ē-ˈäd-ik  : occurring or recurring at regular intervals periodic epidemics periodic adjective 1 as in frequent appearing or occurring repeatedly from time to time sent out periodic reminders about the office dress code Synonyms & Similar Words Relevance frequent repeated regular periodical constant steady continual recurrent habitual recurring intermittent cyclic chronic hourly cyclical expected 24-7 usual round-the-clock confirmed around-the-clock inveterate 24/7 Antonyms & Near Antonyms infrequent occasional irregular episodic unusual unexpected inconstant episodical See More 2 as in recurring occurring or appearing at intervals periodic snow showers that might leave up to an inch Synonyms & Similar Words recurring recurrent continual intermittent periodical occasional seasonal alternating cyclic sporadic rhythmic on-and-off serial aperiodic alternate cyclical spasmodic rhythmical irregular erratic fitful spotty unsteady Antonyms & Near Antonyms continuous constant incessant unceasing perpetual eternal everlasting interminable See More
随便看	RSVP rsvp'd rsvp'ing rsvped rsvping RSWC rt Rt Hon rta RTC rtd rte rtfmed rtfming rtfms rtlts RTN RTO rtw rty ru Ru RU-486 ruade ruala

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