Definition: The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis.
Full Definition of ROSIN. : a translucent amber-colored to almost black brittle friable resin that is obtained from the oleoresin or deadwood of pine trees or from tall oil and used especially in making varnish.
Rosin is a sticky subject. If you don't get a grip on it you won't go far in playing your violin.Okay, I'm finished with my puns.Seriously, violin rosin is a very serious business for anyone who plays a bowed instrument.