Periodical Noun Academic Published Regular Intervals Adj Ly
This flashcard covers "periodical." As a noun, it refers to a publication, often academic, issued at regular intervals (e.g., magazines, journals). As an adjective, it describes things that happen at regular intervals.
This flashcard defines the word "periodical," which functions as a noun referring to a publication, especially an academic magazine, released at regular intervals. As an adjective, it describes events or situations that occur at regular, though possibly infrequent, intervals.
[N-COUNT 可数名词]（尤指学术）期刊Periodicals are magazines, especially serious or academic ones, that are published at regular intervals.
The walls would be lined with books and periodicals.
这几面墙会摆放书籍和期刊。
...a monthly periodical.
月刊
2
[ADJ 形容词]间发性的；定期的；周期的Periodical events or situations happen occasionally, at fairly regular intervals.
[usu ADJ n]
She made periodical visits to her dentist.
她定期去看牙医。
...periodical screening for cancer.
定期进行肿瘤检查
periodically
Meetings are held periodically to monitor progress on the case...
定期举行会议以监督案件的进展。
Police were periodically patrolling the area.
警察定时在这一地区巡逻。
Oxford
peri·od·icalAWL/ˌpɪəriˈɒdɪkl; NAmEˌpɪriˈɑːdɪkl/nouna magazine that is published every week, month, etc, especially one that is concerned with an academic subject （学术）期刊periodicalperiodicalsperi·od·ical/ˌpɪəriˈɒdɪkl; NAmEˌpɪriˈɑːdɪkl/