Orthohelium
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 form of the helium atom in which the spins of the two electrons form a triplet state (a state with definite total spin). form-of, uncountable
Etymology
From ortho- + helium.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.