neutronium

Noun

Meaning

(physics) A material composed entirely of neutrons.

(physics) A hypothetical gravitationally bound system of a neutron and an antineutron (the onium of a neutron), not predicted to exist under normal circumstances.

Source: en.wiktionary.org

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Examples

In fiction The term "neutronium" has been popular in science fiction since at least the middle of the 20th century. Source: Internet

This term is very rarely used in scientific literature, for three reasons: * There are multiple definitions for the term "neutronium". Source: Internet

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