The out edge of a cup is called the 'Rim'.
circumference
It is called its bounds. In the case of 2 dimensional objects, it is part of the perimeter.
It is the circle's circumference
Perimeter
brim
The outer edge of a circle is called the circumference.
The out edge of a cup is called the 'Rim'.
Rim
circumference
A straight line from the center of a circle to the outer edge is called a radius.
The edge of a cereal bowl is the rim.
The edge of a cereal bowl is the rim.
It is called its bounds. In the case of 2 dimensional objects, it is part of the perimeter.
the outer edge of the cytoplasm is the cell membrane.
The outer edge means the furthest most point from the center. The outer edge is usually the end of the object before the dropping off point.
Tread Width. The tread width is the distance between the outer edge and the inner edge of the tread