Convex when it bends outwards, concave when it bends inwards
The bends are also known as decompression sickness.
copper bends because it's malleable.
The Bends was created on -19-11-08.
We use the term meanders to refer to bends in a river.
River bends are called 'esses' or 'meanders'
Deceptive Bends was created in 1977-05.
Concave (bends inward) and Convex (bends outward)
a person that bends metal is called a fabricator
Moment Bends was created on 2011-04-08.
The joint between the humerus and the ulna bends the elbow.
Well its when your back bends backward a little and the opposite of a arch would be a hollow. Arch-bends backward and a hollow bends forward