Word · Frequency #7973
periodic
周期性的；定期的
happening or recurring at regular intervals
- 1.
Relative to a period or periods.
与周期或时期相关的
- 2.
Relating to the highest oxidation state of iodine; of or derived from a periodic acid.
与碘的最高氧化态有关的；源自或与高碘酸有关的
- 3.
happening or recurring at regular intervals
定期发生或重复出现
- 4.
Having repeated cycles.
具有重复周期的。
- 5.
recurring or reappearing from time to time
不时重复或再现
- 6.
Occurring at regular intervals.
定期发生的
- 7.
Periodical.
定期的。
- 8.
Pertaining to the revolution of a celestial object in its orbit.
与天体在轨道上的公转有关的
- 9.
For which any return to it must occur in multiples of k time steps, for some k>1.
其任何返回必须发生在 k 个时间步的倍数处(k>1)。
间歇的；不时发生的；周期的；与周期有关的；高碘的；高碘酸的；公转的；轨道周期的；周期点的
In use
The team makes periodic checks of the equipment to ensure everything works safely.
She receives periodic updates from her doctor about her test results.
Periodic rainfall is essential for the crops to grow in this region.
the periodic appearance of the seventeen-year locust
periodic feelings of anxiety
periodic + noun
The machine requires periodic maintenance to function properly.
该机器需要定期维护才能正常运行。
be + periodic
Connections
Collocations
- periodic review
- 定期审查
- The company requires a periodic review of its financial statements.公司要求定期审查其财务报表。
- periodic inspection
- 定期检查
- The factory undergoes periodic inspection to ensure safety.工厂接受定期检查以确保安全。
- periodic maintenance
- 定期维护
- Regular periodic maintenance extends the life of the equipment.定期维护延长设备寿命。
- periodic check-up
- 定期体检
- I have a periodic check-up with my doctor every year.我每年和医生做一次定期体检。
- periodic report
- 定期报告
- The manager requested a periodic report on sales figures.经理要求提供销售数据的定期报告。
- periodic update
Learner notes
Memory Tip
“periodic”与“period（周期）”同根，想象日历上的固定日期，定期重现。
Context & Register
多用于学术、科技或正式场合，指事件按固定时间间隔发生。
Grammar Note
作定语或表语，表示“定期的；周期性的”。
Pronunciation & Spelling
Words like 'episodic' and 'melodic' rhyme with 'periodic' (stressed vowels /ɒ/ or /ɑ/ followed by /dɪk/). 'Psychotic', 'demonic', and 'chronic' have different stressed vowels or stress patterns and do not rhyme.
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.