英语词汇“periodic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

periodic

/ˌpɪərɪˈɒdɪk

adjective

1Appearing or occurring at intervals: the periodic visits she made to her father...

Despite this, he has continued to appear regularly at our periodic family gatherings, and is considered a family member in good standing.
Each recommended practice is reviewed and revised as appropriate at regular periodic intervals.
At periodic intervals, the iron bars at the mouth of narrow roads, put up to prevent the entry of heavy vehicles, are knocked down by lorries, due to reckless driving.

Synonyms

regular, periodical, at fixed intervals, recurrent, recurring, repeated, cyclical, cyclic, seasonal;

occasional, infrequent, intermittent, sporadic, spasmodic, odd

2 Chemistry Relating to the periodic table of the elements.The steadily increasing weights gave Mendeleyev, Meyer, and others a kind of index by which to order the elements and reveal their periodic behaviour....

The study of oscillating reactions is the study of periodic changes in chemical reactions.
The first rough draft of the periodic elements signaled not the end but the beginning of chemistry.

3Relating to a rhetorical period.However, in the late 18th century there was a return to the periodic Latinate style.

Origin

Mid 17th century: from French périodique, or via Latin from Greek periodikos 'coming round at intervals', from periodos (see period).

单词	periodic
释义	periodic /ˌpɪərɪˈɒdɪk / adjective 1Appearing or occurring at intervals: the periodic visits she made to her father... Despite this, he has continued to appear regularly at our periodic family gatherings, and is considered a family member in good standing. Each recommended practice is reviewed and revised as appropriate at regular periodic intervals. At periodic intervals, the iron bars at the mouth of narrow roads, put up to prevent the entry of heavy vehicles, are knocked down by lorries, due to reckless driving. Synonyms regular, periodical, at fixed intervals, recurrent, recurring, repeated, cyclical, cyclic, seasonal; occasional, infrequent, intermittent, sporadic, spasmodic, odd 2 Chemistry Relating to the periodic table of the elements.The steadily increasing weights gave Mendeleyev, Meyer, and others a kind of index by which to order the elements and reveal their periodic behaviour.... The study of oscillating reactions is the study of periodic changes in chemical reactions. The first rough draft of the periodic elements signaled not the end but the beginning of chemistry. 3Relating to a rhetorical period.However, in the late 18th century there was a return to the periodic Latinate style. Origin Mid 17th century: from French périodique, or via Latin from Greek periodikos 'coming round at intervals', from periodos (see period). Rhymes aperiodic, episodic, geodic, melodic, methodic, monodic, parodic, prosodic, psalmodic, rhapsodic, Roddick, spasmodic, threnodic
随便看	mountain ebony mountained mountaineer mountaineering mountaine flax mountainette mountain everlasting mountain fastness mountain fern mountain fever mountain finch mountain flax mountain flower mountain flox mountain-folding mountain folk mountain folks mountain fringe mountain gazelle mountain gem mountain goat mountain grape mountain grass mountain green mountain guava

periodic

Origin

Rhymes