Definitions

1. noun

a dome-shaped muscular sheet of tissue that separates the chest from the abdominal cavity, and is the main muscle of breathing.

“The diaphragm is the primary muscle used in deep breathing exercises.”

2. noun

a device consisting of a flexible partition or a sheet of metal or plastic, used to separate two parts of a system, especially in a machine or a device.

“The diaphragm in the air conditioner helps to separate the cold air from the warm air.”

3. noun

a thin piece of material used in a camera to control the amount of light that enters the lens.

“The diaphragm in the camera needs to be adjusted to get the perfect shot.”

4. verb

to separate two parts of something using a diaphragm.

“The engineer had to diaphragm the air filter to clean it properly.”