hydrogen-4
Synonym of quadriumSynonym of quadrium (“isotope of hydrogen”).
Meaning
1 senses(uncountable)Synonym of quadrium (“isotope of hydrogen”).
Origin
So named because it is the isotope of hydrogen that has four nucleons (a proton and threeSo named because it is the isotope of hydrogen that has four nucleons (a proton and three neutrons).
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Synonyms
1 synonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable