Ever wondered what to call the skin between your eyebrows? Or the dot that goes over a lower-case "i"? Well, you're in luck: Buzzfeed has assembled a list of 10 Words For Things You Didn't Know Have Names, and it includes glabella—"the smooth prominence of the forehead between the eyebrows"—and tittle—"The dot over i or j." Also included:

lemniscate: The infinity symbol. Example sentence: Not surprisingly, a certain brand of automobile uses a modified lemniscate in its logo.

Read the whole list at Buzzfeed.