neutronium

Meaning

Noun

• The supposed material, composed entirely of neutrons, that makes up a neutron star.

Related

Similar words

• neutron-degenerate matter
• neutron matter
• element 0 / element zero

Narrower meaning words

• neutron-star matter

Broader meaning words

• degenerate matter
• neutron matter

Origin

• 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).