Why is billiards called snooker?

Just the basics. Billiards is a game played on a ten foot table with 3 and no pockets. Billiards is also a term used to describe all cue sports. Snooker is a game played on a 12 foot table with 6 pockets and smaller and pockets than pool. Like I said thats just the basics. Check out the rules on the web for all the details. Good luck to ya!