A large-scale anticline or upward fold of stratified rock.
- Shortly afterwards, the two basins, including the central geanticline, began to subside rapidly.
- He suggested that the median geanticlines were absent, and that the geosynclines were actually wedge-shaped accumulations of strata.
- These folds were called geanticlines and geosynclines.
Late 19th century: from Greek gē 'earth' + anticline.
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