Word porn, maybe.
But, it highlights words...gorgeous, gorgeous words that are, well, obscure. But the definitions are SO eloquent that I feel like I'm swimming in "rightness" (<-obviously, I'm NOT as great with words). And I love the thought: "there's a WORD for that?"
Here's one of my favorites recently...
n. the realization that the plot of your life doesn’t make sense to you anymore—that although you thought you were following the arc of the story, you keep finding yourself immersed in passages you don’t understand, that don’t even seem to belong in the same genre—which requires you to go back and reread the chapters you had originally skimmed to get to the good parts, only to learn that all along you were supposed to choose your own adventure.
I know! I know this feeling exactly.