In University Chemistry, we always talked about primary carbons and secondary carbons and tertiary carbons. Then there were quaternary carbons, that I'd never heard of. I always wondered what came after quartenary? So, I looked it up and found this:
What comes after primary, secondary, tertiary?
The sequence continues with quaternary, quinary, senary, septenary, octonary, nonary, denary. Words also exist for `twelfth order' (duodenary) and `twentieth order' (vigenary).
Quinary and senary? Good to know. I think I'll start using that.
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Sort of like blades on disposable razors. We grew up with primary and secondary blades. Then along came tertiary and quartenary blades. I just wonder how much farther they can push things before someone gets hurt.
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