a subdivision of geologic time that divides an eon into smaller timeframes

listen to the pronunciation of a subdivision of geologic time that divides an eon into smaller timeframes
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geologic era
a subdivision of geologic time that divides an eon into smaller timeframes

    Hyphenation

    a sub·di·vi·sion of ge·o·log·ic time that divides an e·on in·to smaller timeframes
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