Definitions

1. adjective

not convex; having a surface that is not curved or rounded, especially in a way that is opposite to being concave

“The architect designed a subconvex roof to provide additional storage space.”

2. adjective

of or relating to a curve or shape that is not convex

“The mathematician studied the properties of subconvex curves in her research paper.”

3. noun

a curve or surface that is not convex

“The engineer analyzed the subconvex shape of the bridge to ensure its structural integrity.”