orthopositronium etymology

English word orthopositronium comes from English positronium, English ortho-

Detailed word origin of orthopositronium

Dictionary entryLanguageDefinition
positronium English (eng) (physics) An onium consisting of a positron (anti-electron) and an electron, as a particle–anti-particle bound pair.. (physics, chemistry) An exotic atom consisting of a positron and an electron, but having no nucleus.
ortho- English (eng) (chemistry) Having an extra proportion of water. (chemistry) in isomeric benzene derivatives, having the two substituents in adjacent positions (compare meta- and para-). (physics) of any molecule of the form X2 in which the two nuclei have parallel spin. Straight, right, proper.
orthopositronium English (eng) (physics) Used attributively to describe the state of a positronium exotic atom in which the positron and electron have parallel spins.

Words with the same origin as orthopositronium

Descendants of ortho-
orthite orthoacid orthoboric orthocenter orthodata orthoester orthoevolution orthograde orthographical orthohedron orthohelium orthohydrogen orthonormal orthonormalised orthopedics orthophenylene orthopinacoid orthopnea orthoquartzite orthorectify orthosteric orthosymplectic orthotropy orthotypography