element zero
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English
[edit]Alternative forms
[edit]Etymology
[edit]From being a chemical element with zero protons.
Noun
[edit]- (informal, nuclear physics, science fiction) Synonym of neutronium (“material composed of neutrons”)
- Coordinate terms: neutron, free neutron, tetraneutron, neutron star, neutron star matter, neutron-degenerate matter, neutron matter, neutron degeneracy, n
- (informal, nuclear chemistry) Synonym of muonium
- Coordinate terms: protium, deuterium, tritium, hydrium, hydrogen-0, hydrogen-1, hydrogen-2, hydrogen-3, hydrogen, muon, anti-muon, muononium, exotic atom, atom, onium, meson
- (science fiction) A fictional chemical element with element number/atomic number/proton number zero (0), frequently having unrealistic characteristics.
- Used other than figuratively or idiomatically: see element, zero.