isotope

US [ˈaɪsəˌtoʊp]
UK [ˈaɪsətəʊp]
  • n.同位素
  • Web同位素是;同位素测年;同位素检查
Plural Form:isotopes  
isotope
n.
1.
同位素one of two or more forms of a chemical element which have the same number of protons but a different number of neutrons in their atoms. They have different physical properties (= characteristics) but the same chemical ones
radioactive isotopes
放射性同位素
the many isotopes of carbon
碳的诸多同位素

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard