The story
From para- + positronium.
Etymology from Wiktionary, CC BY-SA 4.0.
parapositronium
Today it means: The state of a positronium exotic atom in which the positron and electron have antiparallel spins Full definition →
Today it means: The state of a positronium exotic atom in which the positron and electron have antiparallel spins Full definition →
From para- + positronium.
Etymology from Wiktionary, CC BY-SA 4.0.