What context can I use each word in?
Learn when and how to use these words with these examples!
diaphragm
Example
The diaphragm is an important muscle for breathing. [diaphragm: noun]
Example
She uses a diaphragm as her preferred method of birth control. [diaphragm: noun]
Example
Adjusting the diaphragm can help control the depth of field in a photograph. [diaphragm: noun]
septum
Example
A hole in the septum can cause blood to flow between the left and right sides of the heart. [septum: noun]
Example
He broke his nose and damaged his septum. [septum: noun]
Example
The nasal septum helps to support the nose and regulate airflow. [septum: noun]
Good things to know
Which word is more common?
Septum is more commonly used than diaphragm in everyday language, especially in reference to the nasal septum. Diaphragm is more commonly used in medical contexts, particularly in relation to breathing and contraception.
What’s the difference in the tone of formality between diaphragm and septum?
Diaphragm is typically associated with a formal and technical tone due to its medical significance, while septum can be used in both formal and informal contexts.
