depressoid

Example:The depressed surface of the bowl could hold much more liquid than a flat dish.

Definition:A term that describes a surface with a rounded bottom, similar to a paraboloid but not exactly one, often used in geometric contexts.

Example:The concave-shaped surface of the hall echoed when the speaker's voice was projected.

Definition:A term that describes a surface that curves inward, much like a depressed surface but may be more general in use.

Example:The rounded-bottom container was ideal for holding the liquid mixture.

Definition:A term that describes a surface or object that has a bottom that curves inward, often used in reference to containers that collect liquid.