Hyperfine definitions

Hyperfine

1) Thin
Found on https://www.crosswordclues.com/clue/hyperfine

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hyperfine

[adj] - (physics) extremely fine or thin, as in a spectral line split into two or more components
Found on http://www.webdictionary.co.uk/definition.php?query=hyperfine

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hyperfine

adjective extremely fine or thin, as in a spectral line split into two or more components; `hyperfine structure`
Found on https://www.encyclo.co.uk/local/20974

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