Definition of neutron in English:

neutron

noun ˈnjuːtrɒnˈn(j)utrɑn

A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
中子
Example sentencesExamples
- If conditions are right, protons and electrons then fuse into neutrons, creating a neutron star.
- Even the protons and neutrons in the atomic nucleus are believed to made of even smaller particles called quarks.
- An alpha particle consists of two protons and two neutrons; it is the nucleus of a helium atom.
- The result would be a star made entirely of neutrons, and these could be packed together as closely as the protons and neutrons in an atomic nucleus.
- The mass number gives you the total number of protons and neutrons in the nucleus of that element.

Origin

Early 20th century: from neutral + -on.

Definition of neutron in US English:

neutron

nounˈn(y)o͞otränˈn(j)utrɑn

A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
中子
Example sentencesExamples
- If conditions are right, protons and electrons then fuse into neutrons, creating a neutron star.
- The result would be a star made entirely of neutrons, and these could be packed together as closely as the protons and neutrons in an atomic nucleus.
- Even the protons and neutrons in the atomic nucleus are believed to made of even smaller particles called quarks.
- An alpha particle consists of two protons and two neutrons; it is the nucleus of a helium atom.
- The mass number gives you the total number of protons and neutrons in the nucleus of that element.

Origin

Early 20th century: from neutral + -on.

词汇	neutron
释义	Definition of neutron in English: neutron noun ˈnjuːtrɒnˈn(j)utrɑn A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen. 中子 Example sentencesExamples If conditions are right, protons and electrons then fuse into neutrons, creating a neutron star. Even the protons and neutrons in the atomic nucleus are believed to made of even smaller particles called quarks. An alpha particle consists of two protons and two neutrons; it is the nucleus of a helium atom. The result would be a star made entirely of neutrons, and these could be packed together as closely as the protons and neutrons in an atomic nucleus. The mass number gives you the total number of protons and neutrons in the nucleus of that element. Origin Early 20th century: from neutral + -on. Definition of neutron in US English: neutron nounˈn(y)o͞otränˈn(j)utrɑn A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen. 中子 Example sentencesExamples If conditions are right, protons and electrons then fuse into neutrons, creating a neutron star. The result would be a star made entirely of neutrons, and these could be packed together as closely as the protons and neutrons in an atomic nucleus. Even the protons and neutrons in the atomic nucleus are believed to made of even smaller particles called quarks. An alpha particle consists of two protons and two neutrons; it is the nucleus of a helium atom. The mass number gives you the total number of protons and neutrons in the nucleus of that element. Origin Early 20th century: from neutral + -on.
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