Relating to a type of large, broad geological formation or structure that rises above surrounding areas, opposite to a syncline.
From 'gea-' (from Greek 'ge' meaning earth) plus 'anticlinal' (anti- meaning opposite, from Greek 'anti' plus Latin 'clinare' to lean); a geological term describing earth structures.
The term 'geanticlinal' shows how geology builds super-specific vocabulary by combining Greek and Latin—'gea' for earth plus 'anticlinal' (the opposite of leaning together), so you're describing how a huge section of the earth's crust leans AWAY from a center point!
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