It’s splitting hairs, but that would technically be a cogwheel. The actual cogs would be the teeth around the wheel.
If you have a cogwheel with a broken cog, it would be accurate to say “the cogwheel is missing a cog.” That doesn’t mean the entire wheel is missing from the system; The system is only missing a single tooth.
cog
noun
ˈkäg
1 : a tooth on the rim of a wheel or gear
Can you share an image of what you describe as a single cog?
It can also be used to mean a singular cogged wheel
It’s splitting hairs, but that would technically be a cogwheel. The actual cogs would be the teeth around the wheel.
If you have a cogwheel with a broken cog, it would be accurate to say “the cogwheel is missing a cog.” That doesn’t mean the entire wheel is missing from the system; The system is only missing a single tooth.
Not according to the dictionary, or my masterful command of English
My bad, I was using gear and cog interchangeably. Didn’t realize it could also mean just a tooth.