ear-drum

The doctor examines the patient's ear-drum with an otoscope.

Definition

1. Noun:
   • Anatomical structure: The "ear-drum" (also spelled eardrum) is the thin, cone-shaped membrane inside the ear that vibrates when sound waves strike it, transmitting sound to the inner ear. It is also known medically as the tympanic membrane.

Usage Examples

• (The doctor looked at the thin membrane inside my ear.)
• (Excessive sound can harm the vibrating membrane.)
• (Fluid may exert pressure on the membrane.)

Advanced Usage

• "to rupture the ear-drum": to tear or break the tympanic membrane, often due to infection, pressure changes, or injury.
  • The explosion was so loud that it ruptured his ear-drum. (The sudden pressure tore the membrane.)
• "perforated ear-drum": a condition where the ear-drum has a hole or tear.
  • She was diagnosed with a perforated ear-drum after the accident. (The membrane had a hole from trauma.)

Variants and Related Words

• Eardrum (n): This is the common, single-word spelling of "ear-drum". Both spellings are correct, though "eardrum" is more frequent in modern English.
  • The audiologist tested the flexibility of his eardrum. (The specialist examined the membrane's ability to vibrate.)
• Tympanic membrane (n): The formal medical term for the ear-drum.
  • The tympanic membrane is essential for hearing. (The ear-drum is crucial for sound transmission.)

Synonyms

• Tympanum: another term for the ear-drum, especially in anatomical contexts.
  • The tympanum vibrates in response to sound. (The ear-drum moves with sound waves.)
• Drum membrane: a descriptive synonym emphasizing its drum-like shape.
  • The drum membrane is located between the outer and middle ear. (The ear-drum separates two ear sections.)

Related Idioms

• "to be as tight as a drum": (not directly about the ear-drum, but idiomatically related) to be very tense or stretched.
  • After the argument, the atmosphere in the room was as tight as a drum. (The mood was extremely tense.)
• "to drum something into someone's head": (unrelated to the ear-drum) to force information into someone's memory through repetition.
  • The teacher drummed the multiplication tables into the students' heads. (The teacher repeated the facts until they were memorized.)