this post was submitted on 28 Mar 2025
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Training some younger people at work: "click the cog in the corner to pull up the settings". "What's a 'cog'?" Some things people miss out on life when you've never seen a Jetsons episode.
I just described a cog as a circle with teeth and my son thought it was funny to call the sticky out bits as teeth.
I'm just hoping he doesn't ask about crenellations next.
Cogs are gear teeth.
I always call it a gear.
Cogs are typically square tooth, gears have involute teeth.
The definition online says that the teeth of the gears are cogs, which I'd never heard of before.
Me neither. We were taught cogs were those janky gears for certain tasks, while a true gear had geometry for smooth engagment
That's not a cog, it's a sprocket! George Jetson works for Spacely Sprockets.
I was thinking of the competitor: Cogswell's Cogs!
I've never seen an icon of a single cog. Multiple cogs on a hub forming a gear, sure, but never just a cog.
Huh? The single cog is the standard for settings menus. Just looking at three random apps on my phone, they all had single cog icons.
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.
If you have an android phone, the settings icon is a cog.
Edit: 🙄
To be precise, that’s a cogwheel. There are six cogs around the cogwheel in your image. The word “cog” refers specifically to the teeth around the wheel, not the wheel itself. The cogwheel may be colloquially called a cog, but it’s technically inaccurate; If you told a watchmaker that their watch was missing a single cog, it would have a very different meaning than if you told them it was missing a single cogwheel.
That's a gear with six cogs.