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perturbation
1 ENTRIES FOUND:
plural perturbations
plural perturbations
Learner's definition of PERTURBATION
1
technical : a change in the normal state or regular movement of something摄动；微扰
[count]
- a perturbation in the planet's orbit行星轨迹摄动
[noncount]
- gravitational perturbation重力摄动
2
[noncount] formal : the state of being worried or upset不安；忧虑
- mental/emotional perturbation精神上的焦虑；情绪上的低落
Synonyms
Example Sentences
a perturbation in the planet's orbit in her perturbation she kept calling her son, a freshman, to see if everything was all right at college
Recent Examples on the Web Marine ecosystems would be highly disrupted by both the initial perturbation and in the new ocean state, resulting in long-term, global impacts to ecosystem services such as fisheries, write the authors. 
David Bressan, Forbes, 7 July 2022 Next came Martin Borch Jensen of Gordian Biotechnology with a talk on using pooled in vivo perturbation screens to understand how aging mechanisms manifest across tissues and cell types. Alex Zhavoronkov, Forbes, 29 June 2022 The mechanisms of this polar perturbation are not yet fully understood. Robin Andrews, Wired, 22 Feb. 2022 In Florida, for instance, it could be detected as a perturbation in air pressures shortly after 9 a.m. Washington Post, 15 Jan. 2022 What O’Hara gets so right, regardless of the apparent setting, is the relentless rhythm of placation and perturbation. New York Times, 25 Jan. 2022 One prominent candidate for a brain signature of consciousness is its response to a perturbation. Anil Seth, Wired, 20 Dec. 2021 For capable athletes, imagination is the only factor that limits perturbation training. Washington Post, 6 July 2021 This procedure, known as perturbation theory, gets them correlation functions for most of the fields in the standard model, because nature’s forces happen to be quite feeble. Charlie Wood, Wired, 4 July 2021 See More
David Bressan, Forbes, 7 July 2022 Next came Martin Borch Jensen of Gordian Biotechnology with a talk on using pooled in vivo perturbation screens to understand how aging mechanisms manifest across tissues and cell types. Alex Zhavoronkov, Forbes, 29 June 2022 The mechanisms of this polar perturbation are not yet fully understood. Robin Andrews, Wired, 22 Feb. 2022 In Florida, for instance, it could be detected as a perturbation in air pressures shortly after 9 a.m. Washington Post, 15 Jan. 2022 What O’Hara gets so right, regardless of the apparent setting, is the relentless rhythm of placation and perturbation. New York Times, 25 Jan. 2022 One prominent candidate for a brain signature of consciousness is its response to a perturbation. Anil Seth, Wired, 20 Dec. 2021 For capable athletes, imagination is the only factor that limits perturbation training. Washington Post, 6 July 2021 This procedure, known as perturbation theory, gets them correlation functions for most of the fields in the standard model, because nature’s forces happen to be quite feeble. Charlie Wood, Wired, 4 July 2021 See More Word History
First Known Use
14th century, in the meaning defined at sense 1
Time Traveler
The first known use of perturbation was in the 14th century 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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