neutronium en · NOUN
Pronunciation
- /nuˈtɹoʊni.əm/ (US)
- /njuːˈtɹəʊni.əm/ (UK)
- (Southern-England) audio
- n(y)o͞o-trōʹnē-əm
- /nuˈtɹoʊnjəm/ (US)
Etymology
From neutron + -ium. Coined by scientist Andreas von Antropoff in 1926 (before the discovery of the neutron in 1931; neutrons had been predicted to exist in 1920).
Meanings
- (uncountable) A material composed entirely of neutrons.
- (uncountable) A hypothetical gravitationally bound system of a neutron and an antineutron (the onium of a neutron), not predicted to exist under normal circumstances.
Antonyms
antineutronium · antielement 0 · antinilium · antineutrium · antielement zero
Coordinates
proton-degenerate matter · quark-degenerate matter · electron-degenerate matter · preon-degenerate matter
Deriveds
Hypernyms
degenerate matter (Sense 1) · nucleonium (Sense 2) · onium (Sense 2)
Hyponyms
polynilium · dineutron · mononeutron · polyneutronium · polyneutrium · mononilium · mononeutronium · tetraneutron · polyneutron · trineutron · neutron · mononeutrium
Relateds
Synonyms
Nt (neutronium (Symbols) · element 0 (Sense 1) · neutrium (Sense 1) · element zero (Sense 1) · n (Symbols) · neutron matter (Sense 1) · neutrite (Sense 1) · nilium (Sense 1) · neutron-degenerate matter (Sense 1) · true neutronium (Sense 2) · nn (polyneutron) (Symbols) · nn (Symbols) · neutron-antineutron system (Sense 2) · N (nilium) (Symbols) · neutrium) (Symbols)
Translations (2)
fr neutronium (neutron star material) · it neutronio (neutron star material)