Simple machines
incisal
the sharp is called the teeth and the cutting edge is the blade
its called "teeth".....my English teacher told me that
A simplistic answer is: A cog wheel is a circular disc that has teeth round the edge. These teeth usually mesh with the teeth of another cog. If one cog is turned, the other cog moves too. The cogs can be made from metal or plastic.
The blank spaces around the edge of a page are called margins.
be on edge (teeth), set on edge (teeth)
The waves around the edge of a barrier are called edge waves. They are formed due to the interaction of the water with the barrier, causing the waves to travel along the edge instead of propagating outward.
The ridges around the edge of a dime is called reeding or milling. There are 118 ridges.
The 2011 Ford Edge has front wheel drive.
The 2007 Ford Edge has front wheel drive.
The 2012 Ford Edge has front wheel drive.
The 2008 Ford Edge has front wheel drive.