Often used interchangeably with the more general term syzygy, this dipody involves the substitution of two normal feet, usually iambs or trochees, under a more powerful beat, so that a galloping or rolling rhythm results. See iamb, meter, rhythm, and trochee.
The most important difference between coffee and espresso comes during the brewing process. Espresso is made by forcing hot water through a compressed puck of finely ground coffee at high pressure. This process produces an intensely flavored viscous shot of coffee topped with a lighter-colored foam called the crema.
1 Arabica vs. Robusta.  The two most common types of coffee beans used in making coffee are the Arabic bean and the Robusta bean. These two beans are used more than any other variety of beans, either in their pure form or in coffee blends.