Diaphragm

Diaphragm (Ancient Greek: διάφραγμα diáphragma "partition") may refer to any of the following:

Optics and photography

• Diaphragm (optics), a stop in the light path of a lens, having an aperture that regulates the amount of light that passes
• Diaphragm shutter, a type of leaf shutter consisting of a number of thin blades in a camera

Acoustics

• Diaphragm (acoustics), a thin, semi-rigid membrane that vibrates to produce or transmit sound waves

Other

• Social diaphragm, a circle of friends, family, social circle
• Thoracic diaphragm, a thin sheet of muscle under the lungs
• [[Diaphragm * Diaphragm (structural system), a structural engineering system used to resist lateral loads
• Diaphragm another name for a separator in electrochemical systems.
• Diaphragma a genus of algae.

See also

• Lamina
• Membrane