Meaning

2 senses
  1. (uncountable)A material composed entirely of neutrons.

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

Translations

2 languages

Origin

From neutron + -ium. Coined by scientist Andreas von Antropoff in 1926 (before the discove

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).

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Synonyms

15 synonyms
Symbols:nnn (polyneutron)N (nilium)Nt (neutroniumneutrium)nn
Sense 2:neutron-antineutron systemtrue neutronium

Antonyms

5 antonyms
antielement 0antielement zeroantineutriumantineutroniumantinilium

Word family

1 related words

See also

neighbours in the dictionary
neutronium — meaning, examples, forms, synonyms | Krumeto