[ Oh my god Jenna although actually that does earn a slightly disbelieving smile. ]

Really? Now's the best time for gynecology jokes? But no, not that kind of dilation. It's related to gravity or - [ more detail than necessary, actually, start over- ] It means time can flow at different rates in different places, or that time is different depending on an observer's speed relative to another object - well, kind of. Basically, time can slow down or speed up depending on your perspective. Don't quote me on your SATs, but you get the general idea, right?