eecr

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|astronomy|physics}} {{initialism of|en|[[extremely energetic cosmic ray]]/[[extreme-energy cosmic ray]]|t=a [[cosmic ray]] particle exceeding the [[GZK limit]]}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.