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.
A roval is a term used to describe a shape that is in between a round & an oval...we could say a fat oval. Fashioned in a flower (or Portuguese pavilion) style, well known for its exciting brilliance and exceptional luster, this is definitely a Ceylon blue that is a total give away.