PROTIUM

Protium, genus Protium

(noun) genus of chiefly tropical American trees having fragrant wood and yielding gum elemi

Source: WordNet® 3.1

Etymology

Noun

protium (plural protiums)

(isotope) The lightest and most common isotope of hydrogen, having a single proton and no neutrons: ¹₁H

An atom of this isotope.

Synonyms

• hydrogen-one, hydrogen-1, H-1

• unium-one, unium-1, U-1

Hypernyms

• element one, element 1

• hydrogen (H)

• unium (U)

Coordinate terms

• (isotopes of hydrogen): deuterium, tritium, quadrium

Source: Wiktionary

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