- 罗定市 luódìngshì LuodingLuoding, a county-level city in [[云浮市|雲浮市|yun2 fu2 shi4]], Guangdong
- 亚佛加得罗定律 yàfójiādéluódìnglǜ Avogadro's lawprinciple of physics and chemistry stating that equal volumes of gases at the same temperature and pressure contain the same number of molecules
- 亚佛加德罗定律 yàfójiādéluódìnglǜ Avogadro's lawthe physical law stating that equal volumes of all gases, at the same temperature and pressure, contain the same number of molecules
- 阿伏加德罗定律 āfújiādéluódìnglǜ Avogadro's lawprinciple stating that equal volumes of gases at the same temperature and pressure contain the same number of molecules
