Associations to the word «Positronium»

Wiktionary

POSITRONIUM, noun. (physics) (chemistry) An exotic atom consisting of a positron and an electron, but having no nucleus
POSITRONIUM, noun. (physics) An onium consisting of a positron (anti-electron) and an electron, as a particle–anti-particle bound pair.

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain