Definition of 'perk'. perk (pÉËÊ³k ) Perks are special benefits that are given to people who have a particular job or belong to a particular group. ...a company car, private medical insurance and other perks. One of the perks of being a student is cheap travel.
Sound is a wave, but so are lots of things. More specifically, sound is a wave made of vibrations in the air. When something makes a sound, it vibrates the air molecules, which sends a chain reaction through the air until it reaches our ear drums. When our ears pick up that sound, signals are sent to our brain so that we can interpret what we're hearing.
The definition of pacific is the ocean off of California, or peaceful and tranquil. An example of something Pacific are the Hawaiian Islands in the Pacific Ocean. An example of something pacific is a lullaby. Pacific is defined as the ocean off the coast of California.