[carbocation]

As a physician I have the same expectations as you for those two words. Especially given that the link is to an anchor on the middle of the page, I was thinking in units of "OOM". Essentially I was thinking "OK an OOM is a unit for the doubling of RAM" (wrong).

[refulgentis]

As a physicist (physics dropout) I didn't realize till now OOM meant out of memory to most programmers