- 核子武器 hézǐwǔqì nuclear weapons; radiological weaponsweapons that use energy from nuclear fission or fusion (such as atomic or hydrogen bombs) or radioactive materials (radiological agents) to cause massive destruction or contamination
- 核子能 hézǐnéng nuclear energyEnergy released by the splitting or fusion of atomic nuclei; also called [[核能|核能|he2 neng2]] or [[原子能|原子能|yuan2 zi3 neng2]]
- 核子燃料 hézǐránliào nuclear fuelRadioactive material, such as uranium, plutonium, or thorium, used in a nuclear reactor to produce energy through nuclear fission; also called [[核燃料|核燃料|he2 ran2 liao4]].
- 核子医学 hézǐyīxué nuclear medicineTaiwan term for the branch of medicine using radioactive isotopes for diagnosis and treatment; more commonly called [[核医学|核醫學|he2 yi1 xue2]] in mainland China
- 核子反应 hézǐfǎnyìng nuclear reactionProcess in which particles interact with an atomic nucleus to change its state or structure, such as nuclear fission or fusion, often releasing significant energy. Also called [[核反应|核反應|he2 fan3 ying4]].
- 核子反应器 hézǐfǎnyìngqì nuclear reactordevice used to initiate and control a self-sustained nuclear chain reaction
- 核子反应炉 hézǐfǎnyìnglú nuclear reactorA device used to initiate and control a nuclear fission or fusion reaction in order to generate energy.
- 核子战争 hézǐzhànzhēng nuclear warA war in which nuclear weapons are used.
- 核子潜艇 hézǐqiántǐng nuclear submarineA submarine powered by a nuclear reactor, capable of operating underwater for long periods of time; often used in Taiwan
- 核子试爆 hézǐshìbào nuclear testan explosion test of a nuclear weapon conducted to measure its power or improve performance
- 核子试验 hézǐshìyàn nuclear testnuclear test or nuclear trial; an experiment involving the detonation of a nuclear device
- 欧洲核子中心 ōuzhōuhézǐzhōngxīn CERNEuropean Organization for Nuclear Research, located in Geneva
- 欧洲核子研究中心 ōuzhōuhézǐyánjiūzhōngxīn CERNEuropean Organization for Nuclear Research, based in Geneva
- 核子分裂 hézǐfēnliè nuclear fissionA nuclear reaction in which a heavy nucleus splits into lighter nuclei and several neutrons, releasing a large amount of thermal energy.
- 核子力 hézǐlì nuclear forcethe fundamental interaction that binds protons and neutrons together in an atomic nucleus
- 核子动力潜艇 hézǐdònglìqiántǐng nuclear submarinea submarine powered by an onboard nuclear reactor