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
Recent Word Finds
Word of the Day
23 January 2025
LEFT
(adjective) being or located on or directed toward the side of the body to the west when facing north; “my left hand”; “left center field”; “the left bank of a river is bank on your left side when you are facing downstream”
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