Curved? I think you mean spiral.
Sprilia
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The curved part of a saddle is called the "seat."
Meniscus
2(pi)(r)(h)=the area of the curved surface
Bacteria is the plural of bacterium.
hat other forms are given for the prefix in-?
A cylinder would fit the given description.
A cone would fit the given description
1
Reuleaux triangle
A cone would fit the given description
A sphere would fit the given description
A cone would fit the given description