concave
Curving inwards; hollowed out. Opposite of convex.
Used in 44 profiles
Ichthyological terms, not general ones.
Curving inwards; hollowed out. Opposite of convex.
Used in 44 profiles
Type of shutoff valve comprising a free-floating ball with a cylindrical-shaped hole in it that sits in a concave-shaped depression over an opening.
Arched; curved outwards. Oppsite of concave.
Used in 39 profiles
Having a notched margin or edge. Often used in reference to a caudal fin with a slightly concave shape.
Used in 101 profiles
Curve caused by surface tension visible in the upper surface of a liquid close to the side of a container or other object. My be concave or convex in shape depending on the liquid and surface involved.