The story
From being a chemical element with zero protons.
Etymology from Wiktionary, CC BY-SA 4.0.
element zero
Today it means: Synonym of neutronium (“material composed of neutrons”). Full definition →
Today it means: Synonym of neutronium (“material composed of neutrons”). Full definition →
From being a chemical element with zero protons.
Etymology from Wiktionary, CC BY-SA 4.0.