Definition of angle of incidence

The angle at which a ball approaches a rail, as measured from the perpendicular to the rail.

24 Random Essential Billiards Terms

A well calculated successful slop shot that is usually hit a little harder than it should be and results in a pocketed ball or two without any fouls.
Chiefly American: The half of the table from which the break shot is taken. This usage is conceptually opposite that in British English, where this end of the table is called the bottom. Contrast foot. See also kitchen.
United States Professional Poolplayers Association The United States Professional Poolplayers Association (UPA) is the governing body for the sport of men's professional pool (pocket billiards) in the United States, in conjunction with the World Pool-Billiard Association (WPA) and its US-national affiliate, the Billiard Congress of America (BCA). Founded in 2002, the association is based in Phoenix, Arizona.
The Union Mondiale de Billard (French for World Union of Billiards) is the world governing body for carom (carambole) billiard games. The organization was founded in Madrid, Spain on 1 June 1959, and is dedicated to promoting the modern carom billiards games. The UMB monitors and controls international carom competitions and tournaments, and organizes an annual World Three-cushion Billiards Championship.
When you have completed a shot by pocketing a ball into a pocket.
This term refers to a foul in snooker golf.
Describes a ball rolling along a rail in contact or near contact with it, or which makes multiple successive contacts with the rail.
Common slang in the US for a cheap, poorly made cue. Compare wood.
When a successful non penalized break is achieved which gives the object balls a broad spread on the table.
Accidentally causing the cue ball or any object ball to leave the table. It is normally a foul.
The desired angle that must be created between the path of the cue ball and the path of the object ball upon contact to pot the object ball. It is usually measured to the center of the pocket. See also aiming line.
In snooker, the colour ball that is worth three points, being the second-least valuable colour behind the yellow. It is one of the baulk colours.
This is a version of double elimination tournament play that splits the field of competitors into two brackets that come together for a single elimination championship game.
Side spin on the cue ball that causes it to roll off a cushion (contacted at an angle) with rather than against the ball's natural momentum and direction of travel. If angling into a rail that is on the right, then running english would be left english, and vice versa. The angle of deflection will be wider than if no english were applied to the cue ball. But more importantly, because the ball is rolling instead of sliding against the rail, the angle will be more consistent. For this reason, running English is routinely used. Also called running side in British terminology. Contrast reverse english.
This shot is a minimally calculated distressed shot which makes it evident to the opponent you no longer have any hope to winning the game.
The BCA Pool League is one of the major amateur pool leagues in the United States and is present in over a dozen other countries outside the U.S., with a significant presence in Canada
This is a term used to refer to all the different aspects involved in setting up a shot, i.e. the stance, grip, bridge, and stoke.
A cross-corner bank shot from one end of the table to the other (i.e. across the center string). Long banks are considerably more difficult, because of the smaller margin for error due to distance and angle widening, than cross-side banks and short cross-corner banks from the same end of the table.
A tournament format in which a player must lose two matches in order to be eliminated.
Also simply maximum. In snooker, the highest break attainable with the balls that are racked; usually 147 points starting by potting fifteen reds, in combination with blacks, and clearing the colours. Also called a 147 (one-four-seven). In six-red snooker, the maximum break is only 75 points, due to fewer red balls and thus fewer black-scoring opportunities.
Local Bylaws are additional rules, policies, and procedures unique to an area in addition (or subtraction) to established Pool/Billiards/Snooker league rules. They are designed to cover local situations.
When the contact between the cue ball and object ball is dead center.
This is the highest number of consecutive points scored during an inning of continuous pool play.
A pool cue designed for breaking. Along with sometimes having unusual weight or balance to build maximum speed for the cue ball, some break cues have stiffer shafts and special breaking cue tips to transfer energy more efficiently to the cue ball.