Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology  Of a 
geologic period within theMesoproterozoic era from about 1200 to 1000 million years ago. - proper noun geology The Stennian period.
 
Etymologies
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Examples
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Meanwhile, Fireman Randy won't let go of this harebrained idea -- truly Stennian in its foolishness.
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Meanwhile, Fireman Randy won't let go of this harebrained idea -- truly Stennian in its foolishness.
 
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