oscillation

Word family

os·cil·la·tion /ˌɒsəˈleɪʃən $ ˌɑː-/ noun [countableC, uncountableU]

1 formalTMOVE/CHANGE POSITION oscillations are frequent changes between two extreme amounts or limits 〔数量或限度之间剧烈的〕波动，摇摆，变化

oscillation in/of

oscillations in the value of the dollar

美元价格的波动

oscillation between

oscillation between growth and decline

增长和衰退之间的波动

2 formalTMOVE/CHANGE POSITION oscillations are frequent changes between one feeling or attitude and another 〔情感或态度上的〕摇摆不定，犹豫不定

The drug causes oscillations of mood in some people.

这种药在一些人身上会引起情绪波动。

3 technical a regular movement of something from side to side 摆动

the oscillations of a pendulum

钟摆的摆动

4. technical a regular change in direction of an electrical current 〔电流的〕振荡

Examples from the Corpus

oscillation• Economists predict continuing oscillation of the Japanese yen.• The liquid helps to support the weight of the compass card, and also dampens oscillation.• Both heavy weights and light weights have slow and fast oscillations.• Table 6. 1 shows these four combinations and the observed results on oscillation.• A series of such oscillations, aided perhaps by marine erosion, is probably an important cause of island formation.• When the string is short, the oscillation is always fast.• In wave terms this corresponds to the direction in which the oscillations take place.• Volcanologists now recognize these oscillations as a red flag that a volcano is entering a dangerous phase.• The tanks travelled up and down the incline with a freeboard of about nine inches and little water oscillation.

oscillation in/of• Instead, there is an oscillation of meaning between the four poles that make up the Lacanian quadrature.• Such changes in length cause a corresponding oscillation in the fringe pattern.• Patients with visual defects dating to birth or infancy may have a horizontal pendular nystagmus with equal oscillations in both directions.• It is caught in oscillations of overcompensation.• The law of market price is the law of oscillation in this system.• When the string is long, regardless of the weight, the oscillation of the pendulum is always slow.• Molecular vibrations therefore lead to oscillations of electric charge, with frequencies governed by the normal vibration frequencies of the system.• The result throughout this period was a continuous struggle between republican and Orangist groups and an uneasy oscillation of power between them.

os·cil·la·tion noun

Chinese

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Corpus

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