English
Etymology
Proto-Indo-European *upér Proto-Hellenic *hupér
Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyperfine
From hyper- + fine.
Adjective
hyperfine (comparative more hyperfine, superlative most hyperfine)
- Extremely fine, especially of the hyperfine structure in the spectra of atoms and molecules.
Derived terms
French
Adjective
hyperfine
- feminine singular of hyperfin