ultrasonic
The Stethoscope is used by Doctors to hear heart beat sound of the patient.
It is used to detect low frequency heart sounds and to hear abormal heart sounds more clearly.
A electronic device used to hear songs and sounds abort
The term used to represent movement away from an object is "outward direction."
Yes, a gerund is used an a noun, for example "They heard the crunching of ghouls loudly crushing skulls."; "crunching" is a gerund (object of the verb hear).
telescope
Ears are placed on each side of a persons head. The function of an ear is to hear sounds that are made.
"Oir" in Spanish means "to hear" or "to listen." It is an irregular verb in the language and is used to describe the action of perceiving sounds with the ears.
Sounds with a frequency too high for people to hear are called ultrasonic sounds. These sounds have frequencies above the normal human hearing range, typically above 20,000 Hz. Ultrasonic technology is commonly used in medical imaging, pest control, and various industrial applications.
It draws heat away fom the object that is is being used on.
Intonation is a word used to refer to how a sentence sounds. How a sentence sounds if it's a question sounds different from how a sentence sounds if it's a statement. If you say a sentence out loud, first as a question and then as a statement, you'll hear the difference in sound. That is intonation.
The two sides enable you to hear different sounds. The bell is used to hear higher notes (like murmurs) while the diaphragm enables one to hear lower notes.