the lesser curvature of the stomach is a concave curve
Concave
Concave lenses curve inwardly.Convex lenses curve outwardly.* See related links.
The cervical lordotic curve.
The point when a curve changes from concave upward to concave downward is called the inflection point. It is the point where the curve transitions from being curved "upwards" to being curved "downwards" or vice versa. At the inflection point, the rate of change of the curve's curvature changes sign.
The cervical lordotic curve.
Concave
roach
velaria
A concave polygon has lines that curve inwards whereas a convex polygon has lines that curve outwards and they are found on and inside spheres
A lenses that curve outward is convex.A lenses that curve inward is concave.
concave and convex refer to the curve of the mirror. if it is concave, it curves in at the middle, like a 'cave'. if it is convex, it curves out at the middle, like an eye. think of a spoon - one side is convex, the other is concave. this curve will affect the image the mirror shows.
There are some meaning on the term " concave up". However, in most cases, a concave is a hallow curve. A half circle with an opening is also a concave. Concave up means to concave somethings.