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Definition 2025
Protium
Protium
See also: protium
Translingual
Proper noun
Protium n
- A taxonomic genus within the family Burseraceae – several fragrant trees.
Hypernyms
- (genus): Plantae - kingdom; angiosperms, eudicots, core eudicots, rosids, eurosids II - clades; Sapindales - order; Burseraceae - family
protium
protium
See also: Protium
English
Noun
protium (plural protiums)
-  (physics) The lightest and most common isotope of hydrogen, having a single proton and no neutrons - 11H
- So far there are no differences among the protiums extracted at various labs, except for concentration levels.
 
- An atom of this isotope.
Synonyms
- hydrogen-one, hydrogen-1, H-1
- unium-one, unium-1, U-1
Hypernyms
Coordinate terms
Related terms
Translations
lightest isotope of hydrogen
References
Dutch
Pronunciation
- Hyphenation: pro‧ti‧um
Etymology
From Ancient Greek πρῶτος (prôtos, “first”) + -ium
Noun
protium n (uncountable)
Latin
Pronunciation
- (Classical) IPA(key): /ˈpro.ti.um/, [ˈprɔ.ti.ũ]
Noun
protium n (genitive protiī); second declension
Inflection
Second declension.
| Case | Singular | Plural | 
|---|---|---|
| nominative | protium | protia | 
| genitive | protiī | protiōrum | 
| dative | protiō | protiīs | 
| accusative | protium | protia | 
| ablative | protiō | protiīs | 
| vocative | protium | protia |