- 原子能 yuánzǐnéng atomic energy
- 原子弹 yuánzǐdàn atomic bombatomic bomb; A-bomb
- 原子核 yuánzǐhé nucleusatomic nucleus
- 亚原子 yàyuánzǐ subatomic
- 氢原子 qīngyuánzǐ hydrogen atom
- 原子量 yuánzǐliàng atomic weightthe mass of an atom of a chemical element expressed in atomic mass units
- 原子钟 yuánzǐzhōng atomic clockAn extremely accurate timekeeping device that uses the vibrations of atoms to measure time.
- 原子序数 yuánzǐxùshù atomic number
- 原子笔 yuánzǐbǐ ballpoint pen(Tw, HK) ballpoint pen
- 原子论 yuánzǐlùn atomic theory
- 日本原子能研究所 Rìběn Yuánzǐ Néng Yánjiūsuǒ JAERIJapan Atomic Energy Research Institute
- 氧原子 yǎngyuánzǐ oxygen atom
- 中国国家原子能机构 Zhōngguó Guójiā Yuánzǐnéng Jīgòu China Atomic Energy AgencyChina Atomic Energy Agency (CAEA)
- 碳原子 tànyuánzǐ carbon atom
- 内爆法原子弹 nèibàofǎyuánzǐdàn implosion atomic bomb
- 原子半径 yuánzǐbànjìng atomic radius
- 原子反应堆 yuánzǐfǎnyìngduī nuclear reactoratomic reactor
- 原子堆 yuánzǐduī atomic pileatomic pile (original form of nuclear reactor)
- 原子武器 yuánzǐwǔqì atomic weapon
- 原子科学家 yuánzǐkēxuéjiā nuclear scientistA professional specializing in nuclear physics, atomic research, or the development of nuclear technology.
- 原子科学家通报 Yuánzǐ Kēxuéjiā Tōngbào Bulletin of the Atomic ScientistsJournal of Atomic Scientists
- 原子能发电站 yuánzǐnéngfādiànzhàn nuclear power stationatomic power station
- 原子质量 yuánzǐzhìliàng atomic massthe mass of an atom
- 国际原子能机构 Guójì Yuánzǐnéng Jīgòu IAEAInternational Atomic Energy Agency (IAEA)
- 杂原子 záyuánzǐ heteroatomin organic chemistry, any atom that is not carbon or hydrogen, such as nitrogen, oxygen, sulfur, or phosphorus, especially when replacing a carbon atom in a molecular structure.
