pro·ti·um 
(prōtē-əm, prōshē-)
(prōtē-əm, prōshē-)n.
The most abundant isotope of hydrogen, H-1, having one proton and no neutrons in the nucleus.
| 单词 | protium |
| 释义 | pro·ti·um (prōtē-əm, prōshē-)n. The most abundant isotope of hydrogen, H-1, having one proton and no neutrons in the nucleus. |
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