synclastic
/ˌsɪŋˈklæstɪk/Definitions
1. noun
relating to or characterized by a synclisis, especially in the curvature of a surface or the folding of a structure
“The synclastic shape of the spacecraft’s solar panel helped it absorb more sunlight during its journey.”
2. adjective
describing a curve or fold that is concave or inward
“The synclastic design of the volcano’s crater was a result of centuries of eruptions.”
3. adjective
describing a surface or structure that curves inward
“The synclastic curve of the bridge’s arch allowed for smoother water flow during floods.”