atomnoun [ C ] uk
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/ˈæt.əm/ us
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/ˈæt̬.əm/
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B2 the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form a molecule: A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen atoms.figurative He hasn't an atom of sense (= he has no sense), that boy.
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更多范例减少例句The nucleus of a deuterium atom contains a proton and a neutron.Scientists are working to harness the power of the atom.
“SMART 词汇”：相关单词和短语
Physics: atoms, molecules & sub-atomic particles
acceptor
alpha particle
anti-radical
antilepton
antimatter
antineutrino
benzene ring
beta decay
beta particle
diatomic
graphene
hadron
Higgs boson
interatomic
interelectronic
monatomic
monovalent
multi-molecular
multiparticle
muon
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(atom在剑桥高级学习词典和同义词词典中的解释 © Cambridge University Press)
atom | 美式英语词典
atomnoun [ C ] us
Your browser doesn't support HTML5 audio
/ˈæt̬·əm/
Add to word list
Add to word list
physics the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form a molecule.
(atom在剑桥学术词典中的解释 © Cambridge University Press)
atom的例句
atom
The excited atom interacts with the vacuum fluctuations which cause the spontaneous emission of radiation.
来自 Cambridge English Corpus
It is commonly supposed that any explicit numerical method with fixed time-step is destabilized by a sufficiently large velocity of any particular atom.
来自 Cambridge English Corpus
The pulse duration may introduce an additional laser-related timescale whereas the energy spectrum of the atom, through typical transitions, could introduce an additional species-related timescale.
来自 Cambridge English Corpus
Unlike traditional partial deduction, which considers only atoms for partial deduction, conjunctive partial deduction attempts to specialize entire conjunctions of atoms.
来自 Cambridge English Corpus
Excited atoms and electrons are taken as the variables of the system.
来自 Cambridge English Corpus
The main interest is in characterizing how precisely we can 'bound' the probabilities associated with various atoms.
来自 Cambridge English Corpus
However, the difference in precision is only for inadmissible atoms.
来自 Cambridge English Corpus
First, generalisation induces precision loss, even to the extent that the generalised atom has a different characteristic tree.
来自 Cambridge English Corpus
For definite programs, the consensus amongst these authors is that the minimum model is the meaning (the set of true atoms).
来自 Cambridge English Corpus
Random matrix history started in the physics of heavy atoms and multivariate statistics.
来自 Cambridge English Corpus
To achieve this, we have endowed aggregate atoms with data structures similar to those used in rules.
来自 Cambridge English Corpus
His flowing graphism is not only an elegant record of the physical movement of the artist's hand, but a symbol of the motion of atoms.
来自 Cambridge English Corpus
Ionization of atoms in an alternating electric field.
来自 Cambridge English Corpus
Here they knock out electrons from inner electronic shells of the atoms, producing core holes.
来自 Cambridge English Corpus
In inter-atomic relations, the fundamental role is held by outer-shell electrons, pertaining to the outermost orbital of bonding atoms.
来自 Cambridge English Corpus
示例中的观点不代表剑桥词典编辑、剑桥大学出版社和其许可证颁发者的观点。
包含atom的固定搭配
atom
这些词常常与atom一起使用。
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carbon atomThe hybrid was of two different kinds of orbitals combined to produce the characteristics of a carbon atom.
来自 Cambridge English Corpus
chlorine atomThis is because the atomic radius of an atom of iodine is much larger than that of a chlorine atom.
来自 Wikipedia
该例句来自维基百科，在CC BY-SA许可下可重复使用。
component atomThis is a list of molecules that have been detected in the interstellar medium and circumstellar envelopes, grouped by the number of component atoms.
来自 Wikipedia
该例句来自维基百科，在CC BY-SA许可下可重复使用。
示例均来自剑桥英语语料库及网络资源。示例中的观点不代表剑桥词典编辑、剑桥大学出版社和其许可证颁发者的观点。
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