fine-structure constant

Fetched 2026-10-26 (cache).

Synonyms: fine structure constant

Antonyms: fine structure constant

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|electrodynamics}} The [[fundamental]] [[physical]] value [[α]], presumed to be constant, that characterizes the strength of the [[electromagnetic force]]. Equal to about 1/137 = 0.0072973525.

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