orthopositronium

noun

The state of a positronium exotic atom in which the positron and electron have parallel spins

Scrabble 23
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Meanings

nounorthopositronium (uncountable)
  1. attributiveuncountablenatural sciencesThe state of a positronium exotic atom in which the positron and electron have parallel spins

Origin

From ortho- + positronium.

Full word history & related roots →
Cite this entry
APA

orthopositronium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/orthopositronium

MLA

“orthopositronium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthopositronium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthopositronium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/orthopositronium.

Source: orthopositronium on Wiktionary, CC BY-SA 4.0.