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Meaning of diaphragm
The primary meaning of the word "diaphragm" refers to a muscular sheet that separates the chest cavity from the abdominal cavity, playing a crucial role in breathing.
Etymology of diaphragm
The word "diaphragm" originates from the Greek words "dia" (meaning "across" or "through") and "phragma" (meaning "fence" or "partition"), referring to a wall or partition that separates two spaces.
Historically, the term "diaphragm" was first used in the 15th century to describe the muscular sheet that separates the chest and abdominal cavities, and later expanded to include other types of partitions or membranes in various fields.
Synonyms
Definitions
- A dome-shaped muscular sheet that separates the chest cavity from the abdominal cavity, playing a crucial role in breathing by contracting and relaxing to expand and deflate the lungs.
- A thin, flexible membrane or partition that separates two cavities or spaces, often used in medical, biological, or mechanical contexts.
- A device or structure that regulates the flow of fluid, gas, or energy, often used in engineering, physics, or chemistry.
Usage Examples
- The diaphragm contracts and relaxes to expand and deflate the lungs during breathing.
- The diaphragm is a critical anatomical structure that separates the chest cavity from the abdominal cavity.
- The engineer designed a diaphragm to regulate the flow of fluid through the pipe.