No, dictionary apps aren't sexy. But for the avid reader, they are a useful addition. Sure, most e-reading apps and e-readers have integrated dictionaries, but sometimes it's nice to be able to look up an unfamiliar word anywhere. That's how I use the Dictionary.com app on my Nexus 7. It's always been a functional app, but it looked like a phone app spread out on a tablet screen, not an uncommon occurrence in Android apps. Today, however, Dictionary.com updated its app, optimized for Jelly Bean, and they completely refreshed the user interface. It's now a nice looking as well as functional...