Superchron

//ˈsuːpə(ɹ)kɹɒn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A period of time between two geomagnetic reversals exceeding ten million years.

Etymology

From super- + chron.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.