protium

Valid in Scrabble

Pronunciation

/ˈpɹəʊ.tiəm/ (UK)

See all 2 pronunciations

/ˈpɹəʊ.tiəm/ (UK) · /ˈpɹoʊ.tiəm/ (US)

Definition of protium

2 senses · 1 part of speech · etymology included

noun

The lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.

“So far there are no differences among the protiums extracted at various labs, except for concentration levels.”

See all 2 definitions

noun

The lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.

“So far there are no differences among the protiums extracted at various labs, except for concentration levels.”
An atom of this isotope.

“This radioactive decay leaves behind a protium as well.”

Definitions from Wiktionary, CC BY-SA.

From proto- + -ium. From Ancient Greek πρῶτος (prôtos, “first”).

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