01 a. Changed to a contrary or counterchanged order; reversed; characterized by inversion.
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1.
Changed to a contrary or counterchanged order; reversed; characterized by inversion.
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2.
Situated apparently in reverse order, as strata when folded back upon themselves by upheaval.(Geol.)
Phrases & compounds
Inverted arch —
an arch placed with crown downward; -- much used in foundations.