Memorial Health System As one of the leading healthcare organizations in Illinois, Memorial Health System of Springfield is a community-based, not-for-profit corporation dedicated to safety and quality in patient care, education and research.
hear definition: The definition of hear is to perceive a sound with your ears, or is being told or learning about something. (verb) An example of hear is when a bell rings and you are aware of it. An example of hear is when you learn through list...
Sound can also mean a body of water, like a bay or channel. We can define a sound wave as a disturbance which travels through some medium. Sound is the term to describe what is heard when sound waves pass through a medium to the ear. All sounds are made by vibrations of molecules through which the sound travels. For instance, when a drum or a cymbal is struck, the object vibrates. These vibrations make air molecules move.